12th Standard Computer Science Question papers - study material, free online tests, previous year question papers, answer keys, topper answers, centum question paper, exam tips

12th Standard Computer Science English Medium - Important 5 Mark Question Paper and Answer Key 2022 - 2023 - by Study Materials - Dec 31, 2022 - View & Read

1)
What are called Parameters and write a note on
(i) Parameter without Type
(ii) Parameter with Type
2)
How will you facilitate data abstraction. Explain it with suitable example.
3)
What is a List? Why List can be called as Pairs. Explain with suitable example.
4)
Explain the types of scopes for variable or LEGB rule with example.
5)
Write any five benefits in using modular programming.

12th Standard Computer Science English Medium - Important 3 Mark Question Paper and Answer Key 2022 - 2023 - by Study Materials - Dec 31, 2022 - View & Read

1)
What is the side effect of impure function. Give example.
2)
Identify Which of the following are List, Tuple and class ?
(a) arr [1, 2, 34]
(b) arr (1, 2, 34)
(c) student [rno, name, mark]
(d) day= (‘sun’, ‘mon’, ‘tue’, ‘wed’)
(e) x= [2, 5, 6.5, [5, 6], 8.2]
(f) employee [eno, ename, esal, eaddress]
3)
Why access control is required?
4)
What do you understand by Dynamic programming?
5)
Explain Ternary operator with examples.

12th Standard Computer Science English Medium - Important 2 Mark Question Paper and Answer Key 2022 - 2023 - by Study Materials - Dec 31, 2022 - View & Read

1)
What is a subroutine?
2)
What is a List? Give an example.
3)
What is Mapping?
4)
What is Sorting?
5)
Write short notes on Tokens.

12th Standard Computer Science English Medium - Important 1 Mark MCQ's Question Paper and Answer Key 2022 - 2023 - by Study Materials - Dec 31, 2022 - View & Read

1)
The variables in a function definition are called as
2)
Which of the following carries out the instructions defined in the interface?
3)
Which of the following functions that retrieve information from the data type?
4)
Which of the following is a compound structure?
5)
Which of the following is constructed by placing expressions within square brackets?

12th Standard Computer Science English Medium - Revision Model Question Paper with Answer Key 2022 - 2023 - by Study Materials - Dec 31, 2022 - View & Read

1)
Which of the following is a distinct syntactic block?
2)
The data type whose representation is unknown are called
3)
Two main measures for the efficiency of an algorithm are
4)
The condition in the if statement should be in the form of
5)
Which of the following keyword is used to define the function testpython(): ?

12th Standard Computer Science English Medium - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart 5 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Write a python code to display the following, plot.
2)
Write the key differences between Histogram and bar graph.
3)
Write s python code to display to following plot.
Program
4)
How will you plot two lines? Give an example with output.
5)
What is bar chart? Explain with an example coding.

12th Standard Computer Science English Medium - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Explain in detail the types of pyplots using Matplotlib.
2)
Explain the various buttons in a matplotlib window.
3)
Explain the purpose of the following functions:
a. plt.xlabel
b. plt.ylabel
c. plt.title
d. plt.legend()
e. plt.show()

12th Standard Computer Science English Medium - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart 3 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Write a python code to display the following plot.
2)
Write a python code to display the following plot.
3)
List the buttons in matlibplot window.
4)
Read the following code. What does the following represents.
(i) Labels
(ii) Usage
(iii) X ticks
(iv) Range
(v) Show
5)
What is the output for the following coding:

12th Standard Computer Science English Medium - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart 3 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Draw the output for the following data visualization plot.
import matplotlib.pyplot as plt
plt.bar([1,3,5,7,9],[5,2,7,8,2], label="Example one")
plt.bar([2,4,6,8,10],[8,6,2,5,6], label="Example two", color='g')
plt.legend()
plt.xlabel('bar number')
plt.ylabel('bar height')
plt.title('Epic Graph in Another Line! Whoa')
plt.show()
2)
Write any three uses of data visualization.
3)
Write the coding for the following:
a. To check if PIP is Installed in your PC.
b. To Check the version of PIP installed in your PC.
c. To list the packages in matplotlib.
4)
Write the plot for the following pie chart output.

12th Standard Computer Science English Medium - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart 2 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
What is Infographics data visualization?
2)
What is Dashboard?
3)
What is matplotlib?
4)
Define scatter plot.
5)
Write note or Box plot.

12th Standard Computer Science English Medium - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
What is Data Visualization?
2)
List the general types of data visualization.
3)
List the types of Visualizations in Matplotlib.
4)
How will you install Matplotlib?
5)
Write the difference between the following functions: plt.plot([1,2,3,4]), plt.plot([1,2,3,4], [1,4,9,16]).

12th Standard Computer Science English Medium - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart 1 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Which kind of data encoded visually communicate a quantitative message
2)
The numerical data is encoded using
3)
Which of the following is not a type of Data Visualization?
4)
Which of the following is the representation of information in a graphic format?
5)
Which of the following is a collection of resources assembled to create a single unified visual display?

12th Standard Computer Science English Medium - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart 1 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Which is a python package used for 2D graphics?
2)
Identify the package manager for Python packages, or modules.
3)
Read the following code: Identify the purpose of this code and choose the right option from the following.
C:\Users\YourName\AppData\Local\Programs\Python\Python36-32\Scripts>pip –version
4)
Read the following code: Identify the purpose of this code and choose the right option from the following.
C:\Users\Your Name\AppData\Local\Programs\Python\Python36-32\Scripts>pip list
5)
To install matplotlib, the following function will be typed in your command prompt. What does “-U”represents?
Python –m pip install –U pip

12th Standard Computer Science English Medium - Data Manipulation Through SQL 5 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Explain briefly about SELECT Query.
2)
Explain in detail about fetching records from the table.
3)
Explain in detail about various clauses in SQL.
4)
Explain the SQL operators with clauses in detail.
5)
Explain in detail about aggregate functions with an example.

12th Standard Computer Science English Medium - Data Manipulation Through SQL 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Write in brief about SQLite and the steps used to use it.

2)

Write the Python script to display all the records of the following table using fetchmany()

Icode	ItemName	Rate
1003	Scanner	10500
1004	Speaker	3000
1005	Printer	8000
1008	Monitor	15000
1010	Mouse	700

3)
hat is the use of HAVING clause. Give an example python script

4)

Write a Python script to create a table called ITEM with following specification.
Add one record to the table.
Name of the database :- ABC
Name of the table :- Item
Column name and specification :-

I code	:-	Integer and act as primary key
Item Name	:-	Character with length 25
Rate	:-	Integer
Record to be added	:-	1008, Monitor, 15000

5)

Consider the following table Supplier and item .Write a python script for (i) to (ii)

SUPPLIER
Suppno	Name	City	Icode	SuppQty
S001	Prasad	Delhi	1008	100
S002	Anu	Bangalore	1010	200
S003	Shahid	Bangalore	1008	175
S004	Akila	Hydrabad	1005	195
S005	Girish	Hydrabad	1003	25
S006	Shylaja	Chennai	1008	180
S007	Lavanya	Mumbai	1005	325

i) Display Name, City and Itemname of suppliers who do not reside in Delhi.
ii) Increment the SuppQty of Akila by 40

12th Standard Computer Science English Medium - Data Manipulation Through SQL 3 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Explain how the SELECT statement can be used along with GROUP BY class.
2)
Write the sqlite steps to connect the database.
3)
Explain how a connect to be made to a database (Academy through python SQlite3.
4)
What is the use of aggregate functions used along with SELECT statement? What are they?
5)
What is the purpose of using
(i) COUNT ( )
(ii) AVG ( )
(iii) SUM ( )
(iv) MAX ( )
(v) MIN ( )

12th Standard Computer Science English Medium - Data Manipulation Through SQL 3 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
What is SQLite?What is it advantage?
2)
Mention the difference between fetchone() and fetchmany()
3)
What is the use of Where Clause.Give a python statement Using the where clause.
4)
Read the following details. Based on that write a python script to display department wise records
database name:- organization.db
Table name:- Employee
Columns in the table:- Eno, EmpName, Esal, Dept
5)
Read the following details.Based on that write a python script to display records in desending order of
Eno
database name :- organization.db
Table name :- Employee
Columns in the table :- Eno, EmpName, Esal, Dept

12th Standard Computer Science English Medium - Data Manipulation Through SQL 2 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
What is a cursor in SQL and databases?
2)
What is the reason behind defining a SQL command with triple quotes?
3)
What is master table?
4)
How will you sort the data in a table in an ordered way?
5)
What is the use of AND, OR operators combined with WHERE clause?

12th Standard Computer Science English Medium - Data Manipulation Through SQL 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Mention the users who uses the Database.
2)
Which method is used to connect a database? Give an example.
3)
What is the advantage of declaring a column as “INTEGER PRIMARY KEY”
4)
Write the command to populate record in a table. Give an example.
5)
Which method is used to fetch all rows from the database table?

12th Standard Computer Science English Medium - Data Manipulation Through SQL 1 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Which of following is fast, flexible and easy to work?
2)
Which method is SQlite is used create a connection with a database file created?
3)
Which method has a major role in working with python?
4)
The SQlite command opens the already created database is
5)
Which of the following is a command to open the already created database from the statement connection = sqlite3.connect ("ABC.db")

12th Standard Computer Science English Medium - Data Manipulation Through SQL 1 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Which of the following is an organized collection of data?
2)
SQLite falls under which database system?
3)
Which of the following is a control structure used to traverse and fetch the records of the database?
4)
Any changes made in the values of the record should be saved by the command
5)
Which of the following executes the SQL command to perform some action?

12th Standard Computer Science English Medium - Importing C++ Programs in Python 5 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Explain the commands for wrapping C++ code.
2)
Write a python program to execute the following C++ program.
/*. To check whether the number is palindrome or not using while Ioop.*/
// Now select File →New in Notepad and type the C++ program
#include < iostream >
using namespace std;
intmain ( )
{
int n, num, digit, rev = 0;
cout<< "Enter a positive number: ";
cin >>num;
n= num;
while(num)
{digit = num % 10;
rev = (rev * 10) + digit;
num = num / 10; }
cout<< "The reverse of the number is: " << rev <<endl;
if(n == rev)
cout< < "The number is a palindrome";
else
cout << "The number is not a palindrome";
return 0;
}
// Save this file as pali_cpp.cpp
3)
Write a python program to execute the following C++ program.
Transpose of a matrix(2 D array) C++ program:
#include < iostream >
using namespace std;
int main ( )
{
int a[3][3], i, j;
for(i=0; i< 3; i++)
{
for(j=0; j<3; j++)
{cout<< "enter the value for
array["<< i+ 1<< "]"<< " ["<< j+ 1<< "] :";
cin >>a[i][j];
}
}
system ("cIs");
cout<< "\n\nOriginal Array\n";
for(i=0; i<3; i++) {
for(j=0; j<3; j++ )
cout<< a[i][j]«' ';
cout<< endl; }
cout<< "\n\n The Transpose of Matrix\n";
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
cout<< a[j][i]<< ' ';
cout<< endl;
}
return 0;
}
// Save this file as trans_cpp.cpp
4)
Write a python program to execute the following C++ program.
C++ program:
/*Write a C++ program using a user defined
function to function cube of a number. */
// Now select File⇾New in Notepad and type the C++ program
#include
using namespace std;
// Function declaration
int cube(int num),
int main( )
{
int num;
int c;
cout<< "Enter any number: "<<endl;
cin >>num;
c = cube(num);
cout<< "Cube of" << num<< " is "<< c;
return 0;
}
//Function to find cube of any number
int cube(int num)
{
return (num * num * num);
}
// Save this file as cube_file.cpp
5)
Write a python program to execute the following C++ program
To implement Multilevel Inheritance:
// C++ program to implement Multilevel Inheritance
// Now select File ⟶New in Notepad and type the C++ program
c++ Program.
#include < iostream >
using namespace std;
// base class
class Vehicle
{
public:
Vehicle ( )
{
cout<< "This is a Vehicle" << endl;
}
};
class threeWheeler: public Vehicle
{ public:
three Wheeler ( )
{
cout << "Objects with 3 wheels are vehicles" << endl;
}
};
// sub class derived from two base classes
class Auto: public threeWheeler{
public:
Auto ( )
{
cout<< "Auto has 3 Wheels"<< endl;
};
// main function
int main ( )
{
//creating object of sub class will invoke the constructor of base classes
Auto obj;
return 0;
}
// Save this file as inheri_cpp.cpp

12th Standard Computer Science English Medium - Importing C++ Programs in Python 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Write any 5 features of Python.
2)
Explain each word of the following command.
Python < filename.py > - < i > <C++ filename without cpp extension>
3)
What is the purpose of sys, os, getopt module in Python.Explain.
4)
Write the syntax for getopt( ) and explain its arguments and return values.
5)
Write a Python program to execute the following c++ coding.
#include <iostream>
using namespace std;
int main()
{ cout<<“WELCOME”;
return(0);
}
The above C++ program is saved in a file welcome.cpp

12th Standard Computer Science English Medium - Importing C++ Programs in Python 3 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Write a note on
(i) sys module
(ii) OS module
(iii) getopt module
2)
List the commonly used python interfaces.
3)
How to import modules in python?
4)
Write an algorithm for executing C++ program pali_cpp.cpp using python program.pall.py.
5)
Write short notes on python language.

12th Standard Computer Science English Medium - Importing C++ Programs in Python 3 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Differentiate PYTHON and C++.
2)
What are the applications of scripting language?
3)
What is MinGW? What is its use?
4)
Identify the module, operator, definition name for the following
welcome.display().
5)
What is sys.argv? What does it contain?

12th Standard Computer Science English Medium - Importing C++ Programs in Python 2 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Differentiate static typed language and dynamic typed language.
2)
List some scripting language
3)
What is garbage collection in python?
4)
What is the use of GNU C complier?
5)
How will you execute C++ program through python using MinGW interface? Give example

12th Standard Computer Science English Medium - Importing C++ Programs in Python 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
What is the theoretical difference between Scripting language and other programming language?
2)
Differentiate compiler and interpreter.
3)
Write the expansion of (i) SWIG (ii) MinGW
4)
What is the use of modules?
5)
What is the use of cd command. Give an example.

12th Standard Computer Science English Medium - Importing C++ Programs in Python 1 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Which of the following are general purpose programming language?
2)
Which of the following is not general purpose language?
3)
Which of the following is not a compiled statically typed language?
4)
In which language datatype or not required while declare variable?
5)
Which of the following can act both as scripting and general purpose language?

12th Standard Computer Science English Medium - Importing C++ Programs in Python 1 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 13, 2022 - View & Read

1)
Which of the following is not a scripting language?
2)
Importing C++ program in a Python program is called
3)
The expansion of API is
4)
A framework for interfacing Python and C++ is
5)
Which of the following is a software design technique to split your code into separate parts?

12th Standard Computer Science English Medium - Python and CSV Files 5 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Write a program to read the CSV file through python using reader ( ) method.
2)
Write a program to read the CSV file which contains spaces after the delimiter.
3)
Write a program to read the CSV file with user defined delimiter.
4)
Write a program to read a specific column in a CSV file.
5)
Write a program to read the CSV file and store it in a list.

12th Standard Computer Science English Medium - Python and CSV Files 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Differentiate Excel file and CSV file.
2)
Tabulate the different mode with its meaning.
3)
Write the different methods to read a File in Python.
4)
Write a Python program to write a CSV File with custom quotes.
5)
Write the rules to be followed to format the data in a CSV file.

12th Standard Computer Science English Medium - Python and CSV Files 3 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
How will you create CSV normal file?
2)
How will you save the CSV file in MS-Excel?
3)
Write the syntax of reader( ).
4)
Write a program to read a file with default delimiter comma.
5)
What are the different ways of reading a CSV file using reader ( ) method?

12th Standard Computer Science English Medium - Python and CSV Files 3 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Write a note on open() function of python. What is the difference between the two methods?
2)
Write a Python program to modify an existing file.
3)
Write a Python program to read a CSV file with default delimiter comma (,).
4)
What is the difference between the write mode and append mode.
5)
What is the difference between reader() and DictReader() function?

12th Standard Computer Science English Medium - Python and CSV Files 2 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Why CSV file is known as flat file?
2)
What is the use of CSV file?
3)
How will prefect the CSV File data contains common by itself?
4)
Expand
(i) CSV
(ii) CRLF
5)
How the CSV file operation takes place in python?

12th Standard Computer Science English Medium - Python and CSV Files 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
What is CSV File?
2)
Mention the two ways to read a CSV file using Python.
3)
Mention the default modes of the File.
4)
What is use of next() function?
5)
How will you sort more than one column from a csv file?Give an example statement.

12th Standard Computer Science English Medium - Python and CSV Files 1 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
A CSV file is also known as a ….
2)
The expansion of CRLF is
3)
Which of the following module is provided by Python to do several operations on the CSV files?
4)
Which of the following mode is used when dealing with non-text files like image or exe files?
5)
The command used to skip a row in a CSV file is

12th Standard Computer Science English Medium - Python and CSV Files 1 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
A CSV file is also known as a ….
2)
The expansion of CRLF is
3)
Which of the following module is provided by Python to do several operations on the CSV files?
4)
Which of the following mode is used when dealing with non-text files like image or exe files?
5)
The command used to skip a row in a CSV file is

12th Standard Computer Science English Medium - Structured Query Language (SQL) 5 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Write the processing skills of SQL.
2)
Explain ALTER command in detail.
3)
Write a note on
(i) TRUNCATE command.
(ii) DROP TABLE command.
4)
Explain TCL commands in detail.
5)
Explain the data types available in SQL.

12th Standard Computer Science English Medium - Structured Query Language (SQL) 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Write the different types of constraints and their functions.

2)

Consider the following employee table. Write SQL commands for the qtns.(i) to (v).

EMP CODE	NAME	DESIG	PAY	ALLOWANCE
S1001	Hariharan	Supervisor	29000	12000
P1002	Shaji	Operator	10000	5500
P1003	Prasad	Operator	12000	6500
C1004	Manjima	Clerk	8000	4500
M1005	Ratheesh	Mechanic	20000	7000

(i) To display the details of all employees in descending order of pay.
(ii) To display all employees whose allowance is between 5000 and 7000.
(iii) To remove the employees who are mechanic.
(iv) To add a new row.
(v) To display the details of all employees who are operators.

3)
What are the components of SQL? Write the commands in each.
4)
Construct the following SQL statements in the student table-
(i) SELECT statement using GROUP BY clause.
(ii) SELECT statement using ORDER BY clause.
5)
Write a SQL statement to create a table for employee having any five fields and create a table constraint for the employee table.

12th Standard Computer Science English Medium - Structured Query Language (SQL) 3 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
How the data in RDBMs is stored? Explain.
2)
List the types of constraints.
3)
Write the function performed by DDL.
4)
Define Data Control Language and also list the command under this.
5)
Write the syntax for the following commands.
(i) INSERT
(ii) DELETE
(iii) UPDATE

12th Standard Computer Science English Medium - Structured Query Language (SQL) 3 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
What is a constraint? Write short note on Primary key constraint.
2)
Write a SQL statement to modify the student table structure by adding a new field.
3)
Write any three DDL commands.
4)
Write the use of Savepoint command with an example.
5)
Write a SQL statement using DISTINCT keyword.

12th Standard Computer Science English Medium - Structured Query Language (SQL) 2 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Expand
(i) SQL
(ii) DBMS
(iii) RDBMS
2)
What is SQL?
3)
List few RDBMS packages.
4)
What is RDBMS?
5)
How will you create database and work with the database? Give example.

12th Standard Computer Science English Medium - Structured Query Language (SQL) 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Write a query that selects all students whose age is less than 18 in order wise.
2)
Differentiate Unique and Primary Key constraint
3)
Write the difference between table constraint and column constraint?
4)
Which component of SQL lets insert values in tables and which lets to create a table?
5)
What is the difference between SQL and MYSQL?

12th Standard Computer Science English Medium - Structured Query Language (SQL) 1 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Which of the following is a standard programming language to access and manipulate database?
2)
Which of the following language was designed for managing and accessing data in RDBMS?
3)
SQL stands for
4)
SQL originally called as
5)
Latest SQL standard as of now is

12th Standard Computer Science English Medium - Structured Query Language (SQL) 1 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Which commands provide definitions for creating table structure, deleting relations, and modifying relation schemas.
2)
Which command lets to change the structure of the table?
3)
The command to delete a table including the structure is
4)
Queries can be generated using
5)
The clause used to sort data in a database

12th Standard Computer Science English Medium - Database Concepts 5 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Explain the components of DBMS.
2)
Explain in detail about components of DBMS.

12th Standard Computer Science English Medium - Database Concepts 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Explain the different types of data model.
2)
Explain the different types of relationship mapping.
3)
Differentiate DBMS and RDBMS.
4)
Explain the different operators in Relational algebra with suitable examples.
5)
Explain the characteristics of DBMS.

12th Standard Computer Science English Medium - Database Concepts 3 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
What does the term database refers?
2)
Write a note on DBMS or write a note on a software that allows us to create, define and manipulate database.
3)
Write the advantages of DBMS.
4)
List the components of DBMS
5)
Write a note on database structure.

12th Standard Computer Science English Medium - Database Concepts 3 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
What is the difference between Select and Project command?
2)
What is the role of DBA?
3)
Explain Cartesian Product with a suitable example.
4)
Explain Object Model with example.
5)
Write a note on different types of DBMS users.

12th Standard Computer Science English Medium - Database Concepts 2 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
What is database?
2)
Differentiate data and information.
3)
List the characteristics of DBMS.
4)
List the types of RDBMS software.
5)
What is E F Codd rules?

12th Standard Computer Science English Medium - Database Concepts 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Mention few examples of a database.
2)
List some examples of RDBMS.
3)
What is data consistency?
4)
What is the difference between Hierarchical and Network data model?
5)
What is normalization?

12th Standard Computer Science English Medium - Database Concepts 1 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Which of the following is an organized collection of data?
2)
Which of the following is an organized collection of data, which can be stared and a cersed through computer system
3)
Which of the following a data contain?
4)
In which of the following data organized in a way that, it can be easily accessed, managed and updated?
5)
Which of the following can be a software or hardware based, with one sole purpose of storiing data?

12th Standard Computer Science English Medium - Database Concepts 1 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
What is the acronym of DBMS?
2)
A table is known as
3)
Which database model represents parent-child relationship?
4)
Relational database model was first proposed by
5)
What type of relationship does hierarchical model represents?

12th Standard Computer Science English Medium - Python Classes and Objects 5 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Write a python program to check and print if the given number is odd or even using class.
2)
Write a program to check and print if the given number is negative or positive using class.
3)
Write a program to calculate area and circumference of a circle.
4)
Write a menu driven program that keeps record of books available in you school library.
5)
Write a program to accept a string and print the number of uppercase, lowercase, vowels, consonants and spaces in the given string.

12th Standard Computer Science English Medium - Python Classes and Objects 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Write a menu driven program to add or delete stationary items. You should use dictionary to store items and the brand.

12th Standard Computer Science English Medium - Python Classes and Objects 3 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Write a note on object.
2)
Write a note on self argument used in python class function.
3)
Write a python program to find total and average marks using class.
4)
Explain the working of the following program. class Sample:
def _init_(self, num):
print("Constructor of class Sample ...")
self.num=num
print("The value is :", num)
S=Sample(10)
5)
Write the output of the following program.
class Sample:
num=0
def _init_(self, var):
Sample.num+=1
self. var=var
print("The object value is = ", var)
print("The count of object created Sample.num) =",
S1=Sample(15)
S2=Sample(35)
S3=Sample(45)

12th Standard Computer Science English Medium - Python Classes and Objects 3 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
What are class members? How do you define it?
2)
Write a class with two private class variables and print the sum using a method.
3)
Find the error in the following program to get the given output?
class Fruits:
def __init__(self, f1, f2):
self.f1 = f1
self.f2 = f2
def display(self):
print("Fruit 1 = %s, Fruit 2 = %s" %(self.f1, self.f2))
F = Fruits ('Apple', 'Mango')
del F.display
F.display()
Output: Fruit 1 = Apple, Fruit 2 = Mango
4)
What is the output of the following program?
class Greeting:
def __init__(self, name):
self.__name = name
def display(self):
print("Good Morning ", self.__name)
obj=Greeting ('Bindu Madhavan')
obj.display()
5)
How to define constructor and destructor in Python?

12th Standard Computer Science English Medium - Python Classes and Objects 2 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Write the general form of declaring class in Python.
2)
Write the syntax for the following
(i) Creating objects
(ii) Accessing class members
3)
Differentiate python class function and ordinary function.
4)
Name the function which acts as a constructor and destructor.
5)
Write a program in python that illustrate the use of constructor.

12th Standard Computer Science English Medium - Python Classes and Objects 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
What is class?
2)
What is instantiation?
3)
What is the output of the following program?
Class Sample:
__num=10
def disp(self):
print(self.__num)
S=Sample()
S.disp()
print(S.__num)
4)
How will you create constructor in Python?
5)
What is the purpose of Destructor?

12th StandardComputer Science English Medium - Python Classes and Objects 1 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Which of the following is not an object oriented language?
2)
Which of the following called as instances of a class or class variable?
3)
Functions of the class are called as
4)
In Python, every class name followed by
5)
Which of the following with a valid class definition?

12th StandardComputer Science English Medium - Python Classes and Objects 1 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Which of the following are the key features of an Object Oriented Programming language?
2)
Functions defined inside a class:
3)
Class members are accessed through which operator?
4)
Which of the following method is automatically executed when an object is created?
5)
A private class variable is prefixed with

12th StandardComputer Science English Medium - Lists, Tuples, Sets and Dictionary 5 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
How will access all elements of a list? Write the execution table example.
2)
How will you access elements of a list using for loop? Explain with an example.
3)
Write a program to create a list of numbers in the range 1 to 10. Then delete all the odd numbers from the list and print the final list.
4)
Explain remove (), pop () and clear () used in list with an example.
5)
Explain the detail about some important list function with an example.
(i) copy ()
(ii) count ()
(iii) index ()
(iv) reverse ()

12th StandardComputer Science English Medium - Lists, Tuples, Sets and Dictionary 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
What the different ways to insert an element in a list. Explain with suitable example.
2)
What is the purpose of range( )? Explain with an example.
3)
What is nested tuple? Explain with an example.
4)
Explain the different set operations supported by python with suitable example.

12th StandardComputer Science English Medium - Lists, Tuples, Sets and Dictionary 3 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Write a program that creates a list of numbers from 1 to 20 that are divisible by 4.
2)
Write a program to swap two values using tuple assignment.
3)
How will you create a set using list or tuple? Give an example.
4)
How will you find the length of a list? Explain with an example.
5)
Fill up the following program to get the output TECM.
list = ['T', 'E', 'C', 'M']
i=0
(i) while _________:
(ii) ________ (MySubject[i], ________)
(iii) ____ i = i +

12th StandardComputer Science English Medium - Lists, Tuples, Sets and Dictionary 3 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
What are the difference between list and Tuples?
2)
Write a shot note about sort( ).
3)
What will be the output of the following code?
list = [2**x for x in range(5)]
print (list)
4)
Explain the difference between del and clear( ) in dictionary with an example.
5)
List out the set operations supported by python.

12th Standard Computer Science English Medium - Lists, Tuples, Sets and Dictionary 2 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Name the four collections of data types in python programming language.
2)
Write the syntax of creating list. Give example.
3)
What is nested list? Give example.
4)
Fill up the following to get the output:
10,23.41,75
Marks = [10.23,41,75]
5)
Write a program to print all elements in the list using reverse, indexing.

12th Standard Computer Science English Medium - Lists, Tuples, Sets and Dictionary 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
What is List in Python?
2)
How will you access the list elements in reverse order?
3)
What will be the value of x in following python code?
List 1 = [2, 4, 6[1, 3, 5]]
x = len (List 1)
4)
Differentiate del with remove( ) function of List.
5)
Write the syntax of creating a Tuple with n number of elements.

12th Standard Computer Science English Medium - Lists, Tuples, Sets and Dictionary 1 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
How many collection of datatypes in python?
2)
Which of the following is not datatype in Python?
3)
Which of the following is an ordered collection of values?
4)
Which of the following datatype enclosed with [ ]?
5)
In list, the negative index number begin with

12th Standard Computer Science English Medium - Lists, Tuples, Sets and Dictionary 1 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 10, 2022 - View & Read

1)
Pick odd one in connection with collection data type
2)
Let list1=[2,4,6,8,10], then print(List1[-2]) will result in
3)
Which of the following function is used to count the number of elements in a list?
4)
If List=[10,20,30,40,50] then List[2]=35 will result
5)
If List=[17,23,41,10] then List.append(32) will result

12th Standard Computer Science English Medium - Strings and String Manipulations 5 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Write a python program to check whether the given string is palindrome or not.
2)
Write a python program to print the following pattern
*
**
***
****
*****
3)
Write a python program to display the number of vowels and consonants in the given string.
4)
Explain how will you create and access characters in a string with an example?
5)
Explain in detail about modification and deletion of a string with an example.

12th Standard Computer Science English Medium - Strings and String Manipulations 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Explain about string operators in python with suitable example.

12th Standard Computer Science English Medium - Strings and String Manipulations 3 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
How the positive and negative subscript values are assigned? Give example.
2)
Write a program to accept a string and print it in reverse order.
3)
Write the syntax and example of using string characters.
4)
Write the usage of the following format string characters.
(i) % c
(ii) % d (or) % i
(iii) % s

5)

Fill in the blanks.

	Format character	Usage
i)	________	Unsigned decimal integer
ii)	%0	_______
iii)	_______	Hexadecimal integer
iv)	%i	_______

12th Standard Computer Science English Medium - Strings and String Manipulations 3 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Write a Python program to display the given pattern
C O M P U T E R
C O M P U T E
C O M P U T
C O M P U
C O M P
C O M
C O
C
2)
Write a short about the followings with suitable example:
(a) capitalize( )
(b) swapcase( )
3)
What will be the output of the given python program?
str1 = "welcome"
str2 = "to school"
str3 = str1[:2] + str2[len(str2)-2:]
print (str3)
4)
What is the use of format( )? Give an example.
5)
Write a note about count( ) function in python.

12th Standard Computer Science English Medium - Strings and String Manipulations 2 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
How will you manipulate the strings?
2)
What it means "String in phython are immutable"?
3)
Write a python a program to print your name 10 times.
4)
Write the output for the following if strl = "THIRIKKURAL"
(i) print (strl [0])
(ii) print (strl [0:5])
(ill) print (strl [:5])
(iv) Print (strl [6:])
5)
Write the general format of slice operation.

12th Standard Computer Science English Medium - Strings and String Manipulations 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
What is String?
2)
Do you modify a string in Python?
3)
How will you delete a string in Python?
4)
What will be the output of the following python code?
str1 = “School”
print(str1*3)
5)
What is slicing?

12th Standard Computer Science English Medium - Strings and String Manipulations 1 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Which of the following is used to handle array of characters in python?
2)
String are enclosed with
3)
Which of the following allows creation of multiline strings
4)
Find the output for the following print ('Greater Chennai cooperation's student')
5)
String index values are also called as

12th Standard Computer Science English Medium - Strings and String Manipulations 1 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Which of the following is the output of the following python code?
str1="TamilNadu"
print(str1[::-1])
2)
What will be the output of the following code?
str1 = "Chennai Schools"
str1[7] = "-"
3)
Which of the following operator is used for concatenation?
4)
Defining strings within triple quotes allows creating:
5)
Strings in python:

12th Standard Computer Science English Medium - Python Functions 5 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Explain different types arguments used in python with an example.
2)
Write a python program to find HCF of two numbers using recursion.
3)
Write a python program to find Fibonacci series of n terms using recursion.
4)
Explain how you will call a function and passing a parameters in function?
5)
Explain in detail about various functional arguments with its example.

12th Standard Computer Science English Medium - Python Functions 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Explain the different types of function with an example.
2)
Explain the scope of variables with an example.
3)
Explain the following built-in functions.
(a) id ()
(b) chr ()
(c) round ()
(d) type ()
(e) pow ()
4)
Write a Python code to find the L.C.M. of two numbers.
5)
Explain recursive function with an example.

12th Standard Computer Science English Medium - Python Functions 3 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
When do you call the function to perform a specify task?
2)
Write the advantages of user-defined functions.
3)
Write a note on "Required arguments".
4)
How will you invoke the function after, the parameters are recognized by their parameter names? Explain with an example.
5)
How python takes a default value in the function call? Explain with an example.

12th Standard Computer Science English Medium - Python Functions 3 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Write the rules of local variable.
2)
Write the basic rules for global keyword in python.
3)
What happens when we modify global variable inside the function?
4)
Differentiate ceil() and floor() function?
5)
Write a Python code to check whether a given year is leap year or not.

12th Standard Computer Science English Medium - Python Functions 2 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
How the statements in a black are written in python?
2)
What is meant by block in python?
3)
How the nested block are indented?
4)
Write the output of the following program.
5)
Differentiate parameters and arguments.

12th Standard Computer Science English Medium - Python Functions 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
What is function?
2)
Write the different types of function.
3)
What are the main advantages of function?
4)
What is meant by scope of variable? Mention its types.
5)
Define global scope.

12th Standard Computer Science English Medium - Python Functions 1 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Which of the following is used, if you don't need to type all the python code for the same task again and again:
2)
Which of the following avoids repetition and makes high degree of code reusing?
3)
Which of the following provides better modularity for your python application
4)
How many types of functions are there in python?
5)
Functions that calls itself are known as

12th Standard Computer Science English Medium - Python Functions 1 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
A named blocks of code that are designed to do one specific job is called as
2)
A Function which calls itself is called as
3)
Which of the following keyword is used to begin the function block?
4)
Which function is called anonymous un-named function?
5)
Which of the following keyword is used to exit a function block?

12th Standard Computer Science English Medium - Control Structures 5 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Explain Jump statement in python.
2)
Write a program in python to display the following output.
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
3)
Write a program in python to display he following output.
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
4)
Write a program in python to display the following output.
(i) 5 5 5 5 5
4 4 4 4
3 3 3
2 2
1
(ii) 1 2 3 4 5
1 2 3 4
1 2 3
1 2
1
5)
Explain briefly about the alternative statement with its syntax and flowchart.

12th Standard Computer Science English Medium - Control Structures 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Write a detail note on for loop.
2)
Write a detail note on if..else..elif statement with suitable example.
3)
Write a program to display all 3 digit odd numbers.
4)
Write a program to display multiplication table for a given number.

12th Standard Computer Science English Medium - Control Structures 3 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Write a note on sequential statement with an example.
2)
List the types of alternative or branching statement in python.
3)
Write a note on simple if statement with an example.
4)
Write a python program to print all numbers from 10 to 15 using while loop.
5)
Draw a flowchart that illustrates the working of while loop.

12th Standard Computer Science English Medium - Control Structures 3 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Write a program to display
A
A B
A B C
A B C D
A B C D E
2)
Write note on if..else structure.
3)
Using if..else..elif statement write a suitable programs to display largest of 3 numbers.
4)
Write the syntax of while loop.
5)
List the differences between break and continue statements.

12th Standard Computer Science English Medium - Control Structures 2 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
What is meant by alternative or branching?
2)
Draw a flow chart that defines the execution of if-else statement.
3)
Write a program in python to check if the accepted number even or odd.
a = int(input("Enter any number:"))
if a%2==0:
print (a, "is an even number")
else:
print (a, "is an odd number")
4)
Write the syntax of alternative method to write complete if-else.
5)
Write a program in python to check if the accepted number us even or odd (use alternate method of if-else).

12th Standard Computer Science English Medium - Control Structures 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
List the control structures in Python.
2)
Write note on break statement.
3)
Write is the syntax of if..else statement.
4)
Define control structure.
5)
Write note on range () in loop.

12th Standard Computer Science English Medium - Control Structures 1 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Which of the following are the executable segments that yield the result?
2)
Find the odd man out.
3)
Find the odd man out
4)
Which of the following is used to alter the control flow of the process depending on the state of the process?
5)
How many important control structures in python?

12th Standard Computer Science English Medium - Control Structures 1 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
How many important control structures are there in Python?
2)
elif can be considered to be abbreviation of
3)
What plays a vital role in Python programming?
4)
Which statement is generally used as a placeholder?
5)
The condition in the if statement should be in the form of

12th Standard Computer Science English Medium - Python - Variables and Operators 5 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Write the output for the following python code..
x=10
x+=20
print ("The x + = 20 is =",x)
x-=5
print ("The x -= 5 is = ",x)
x*=5
print ("The x *= 5 is = ",x)
x/=2
print ("The x/ = 2 is = ",x)
x%=3
print ("The x %= 3 is = ",x)
x**=2
print ("The x **= 2 is = ",X)
x//=3
print ("The x//= 3 is = ",x)
2)
Explain briefly about Python data types with an example.

12th Standard Computer Science English Medium - Python - Variables and Operators 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Describe in detail the procedure Script mode programming.
2)
Explain input() and print() functions with examples.
3)
Discuss in detail about Tokens in Python.

12th Standard Computer Science English Medium - Python - Variables and Operators 3 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Write the key features of Python.
2)
Differentiate two ways in which Python programs can be written.
3)
Write the function of the following
(i) Ctrl + N
(ii) Ctrl + S
(iii) F5
4)
Fill in the blanks.
>>> city = \(\overset { (1) }{ \_ \_ \_ \_ \_ } \) ("Enter your City")
Enter your city \(\overset { (2) }{ \_ \_ \_ \_ \_ } \)
>>> print ("I am from", \(\overset { (3) }{ \_ \_ \_ \_ \_ } \))
I am from Chennai
5)
Fill up the blanks to get the following output from Python code given.
Output:
Enter Number 1: 34
Enter Number 2: 70
The Sum = 104
Code:
X = \(\overset { (1) }{ \_ \_ \_ \_ \_ } \) (input ("Enter Number 1:"))
Y = \(\overset { (2) }{ \_ \_ \_ \_ \_ } \) (\(\overset { (3) }{ \_ \_ \_ \_ \_ } \) ("Enter Number 2 :"))
\(\overset { (4) }{ \_ \_ \_ \_ \_ } \) ("The sum =", \(\overset { (5) }{ \_ \_ \_ \_ \_ } \))

12th Standard Computer Science English Medium - Python - Variables and Operators 3 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Write short notes on Arithmetic operator with examples.
2)
What are the assignment operators that can be used in Python?
3)
Explain Ternary operator with examples.
4)
Write short notes on Escape sequences with examples.
5)
What are string literals? Explain.

12th Standard Computer Science English Medium - Python - Variables and Operators 2 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
How will you develop and run Python code?
2)
How many ways the Python shell can be used?
3)
How the interactive mode of Python shell can be used as simple calculator?
4)
How will you invoke python IDLE?
5)
How will you know the python IDLE working in interactive mode?

12th Standard Computer Science English Medium - Python - Variables and Operators 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
What are the different modes that can be used to test Python Program?
2)
Write short notes on Tokens.
3)
What are the different operators that can be used in Python?
4)
What is a literal? Explain the types of literals?
5)
Write short notes on Exponent data?

12th Standard Computer Science English Medium - Python - Variables and Operators 1 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Python language was released in
2)
IDLE expansion is
3)
In Python, How many ways programs can be written?
4)
In Python, the script mode programs can be stored with the extension.
5)
Which of the following mode cannot be written Python program?
(i) Interactive mode
(ii) Script mode
(iii) Calculator mode
(iv) Executable mode

12th Standard Computer Science English Medium - Python - Variables and Operators 1 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Who developed Python?
2)
The Python prompt indicates that Interpreter is ready to accept instruction.
3)
Which of the following shortcut is used to create new Python Program?
4)
Which of the following character is used to give comments in Python Program?
5)
This symbol is used to print more than one item on a single line.

12th Standard Computer Science English Medium - Algorithmic Strategies 5 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Explain Best, worst and Average case efficiency of an algorithm with an example.
2)
Explain complexity of an algorithm.
3)
Define efficiency of an algorithm? How the efficiency of an algorithm was determined?
4)
Differentiate Algorithm and program
5)
Explain the selection sort Algorithm with an example.

12th Standard Computer Science English Medium - Algorithmic Strategies 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Explain the characteristics of an algorithm.
2)
Discuss about Linear search algorithm.
3)
What is Binary search? Discuss with example
4)
Explain the Bubble sort algorithm with example.
5)
Explain the concept of Dynamic programming with suitable example.

12th Standard Computer Science English Medium - Algorithmic Strategies 3 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
List the manipulation manipulated effectively through data structures by algorithm.
2)
Design an algorithm to find square of the given number and display the result.
3)
Write a note on time/space trade off
4)
Write a note on two factors in which space required by an algorithm is decided.
5)
Write the different factors in which the time efficiency of an algorithm its measured

12th Standard Computer Science English Medium - Algorithmic Strategies 3 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
List the characteristics of an algorithm.
2)
Discuss about Algorithmic complexity and its types.
3)
What are the factors that influence time and space complexity.
4)
Write a note on Asymptotic notation.
5)
What do you understand by Dynamic programming?

12th Standard Computer Science English Medium - Algorithmic Strategies 2 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Give an example of data structures
2)
What in algorithmic strategy? Give an example.
3)
What is algorithmic solution?
4)
How the efficiency of an algorithm is defined?
5)
What does analysis of an algorithm deals with?

12th Standard Computer Science English Medium - Algorithmic Strategies 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
What is an Algorithm?
2)
Define Pseudo code.
3)
Who is an Algorist?
4)
What is Sorting?
5)
What is searching? Write its types.

12th Standard Computer Science English Medium - Algorithmic Strategies 1 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Which of the following is a finite set of instructions to accomplish a particular task?
2)
Which of the following is not a characteristic of an algorithm?
3)
Which of the following is not an example of data structures?
4)
Which of the following is an example of data structures?
5)
Which of the following is not a searching technique?
(i) Linear
(ii) Binary
(iii) Selection
(iv) Merge

12th Standard Computer Science English Medium - Algorithmic Strategies 1 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?
2)
From the following sorting algorithms which algorithm needs the minimum number of swaps?
3)
Two main measures for the efficiency of an algorithm are
4)
The complexity of linear search algorithm is
5)
From the following sorting algorithms which has the lowest worst case complexity?

12th Standard Computer Science English Medium - Scoping 5 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Explain the concept access control.
2)
Explain in detail about mapping with an example?
3)
Explain in detail about the scope, variable scope and lifetime of a variable.
4)
Explain in detail about LEGB rule with an example?
5)
Explain in detail about modular programming an list out the benefits of modular programming.

12th Standard Computer Science English Medium - Scoping 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Explain the types of scopes for variable or LEGB rule with example.
2)
Write any Five Characteristics of Modules.
3)
Write any five benefits in using modular programming.

12th Standard Computer Science English Medium - Scoping 3 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
How the changes inside the function can't affect the variable on the outside of the function in unexpected ways?
2)
Write a note on built-in scope.
3)
Write a note on module.
4)
How will you ensure the principle of data encapsulation in object - oriented programming?
5)
Write a note on access modifiers of a class.

12th Standard Computer Science English Medium - Scoping 3 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Define Local scope with an example.
2)
Define Global scope with an example.
3)
Define Enclosed scope with an example.
4)
Why access control is required?
5)
Identify the scope of the variables in the following pseudo code and write its output
color:= 'Red'
mycolor( ):
b:='Blue'
myfavcolor( ):
g:='Green'
printcolor, b, g
myfavcolor( )
printcolor, b
mycolor( )
print color

12th Standard Computer Science English Medium - Scoping 2 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Define variable.
2)
What is the use of LEGB rule?
3)
What are the types of variable scope
4)
Write the output of the following program
Entire Program
Disp():
a:=7
print a
Disp ()
5)
Write the output of the following program
a:=10
Disp():
a:=7
print a
Disp 1():
print a

12th Standard Computer Science English Medium - Scoping 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
What is a scope?
2)
Why scope should be used for variable. State the reason.
3)
What is Mapping?
4)
What do you mean by Namespaces?
5)
How Python represents the private and protected Access specifiers?

12th Standard Computer Science English Medium - Scoping 1 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
The part of a program that can see or use the variables are called
2)
Which of the following refers to the addresses to an object in memory?
3)
How many variables can be mapped to the same instance?
4)
Which of the following keeps track of all these mappings with namespaces?
5)
How the names are mapped with objects in programming language?

12th Standard Computer Science English Medium - Scoping 1 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Which of the following refers to the visibility of variablesin one part of a program to another part of the same program.
2)
The process of binding a variable name with an object is called
3)
Which of the following is used in programming languages to map the variable and object?
4)
Containers for mapping names of variables to objects is called
5)
Which scope refers to variables defined in current function?

12th Standard Computer Science English Medium - Data Abstraction 5 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Explain the representation of Abstract datatype using rational numbers.
2)
Explain in detail about data abstraction?
3)
With an example explain constructors and selectors?
4)
Explain in detail about Abstract data types?
5)
What is List? Discuss about the method by which the elements of list can be accessed. Give an example.

12th Standard Computer Science English Medium - Data Abstraction 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
How will you facilitate data abstraction. Explain it with suitable example.
2)
What is a List? Why List can be called as Pairs. Explain with suitable example.
3)
How will you access the multi-item. Explain with example.

12th Standard Computer Science English Medium - Data Abstraction 3 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Identify the constructor and selector from the following.
(I) City = Make city (name, lat, Ion)
(ii) Get name (city)
(ill) Make point (x,y)
(iv) x coord (point)
(v) y coord (point)
2)
Write a note on Data Abstraction.
3)
Give an example of an ADT for rational numbers.
4)
How will you access the list elements using multiple assignments?
5)
Write short notes about pairs?

12th Standard Computer Science English Medium - Data Abstraction 3 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Differentiate Concrete data type and abstract datatype.
2)
Which strategy is used for program designing? Define that Strategy.
3)
Identify Which of the following are constructors and selectors?
(a) N1:=number()
(b) accetnum (n1)
(c) displaynum (n1)
(d) eval (a/b)
(e) x,y:= make slope (m), make slope (n)
(f) display()
4)
What are the different ways to access the elements of a list. Give example.
5)
Identify Which of the following are List, Tuple and class ?
(a) arr [1, 2, 34]
(b) arr (1, 2, 34)
(c) student [rno, name, mark]
(d) day= (‘sun’, ‘mon’, ‘tue’, ‘wed’)
(e) x= [2, 5, 6.5, [5, 6], 8.2]
(f) employee [eno, ename, esal, eaddress]

12th Standard Computer Science English Medium - Data Abstraction 2 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Give an example of implementing an ADT
2)
Identify which is the constructor and selector from the following statement.
(i) The Functions that retrieve information from the datatype.
(ii)The function which creates an object.
3)
Write the pseudo code for the representation of the rational number using constructor & selector.
4)
How the concrete level of data abstraction implemented?
5)
Write a note on pair datatype

12th Standard Computer Science English Medium - Data Abstraction 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
What is abstract data type?
2)
Differentiate constructors and selectors.
3)
What is a Pair? Give an example.
4)
What is a List? Give an example.
5)
What is a Tuple? Give an example.

12th Standard Computer Science English Medium - Data Abstraction 1 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Which of the following is a powerful concept that allows programmers to treat codes as objects?
2)
Which of the following provides modularity?
3)
ADT expansion is
4)
Which of the following is a type for objects whose behavior is defined by a set of value and a set of operations?
5)
ADT behavior is defined by
(i) Set of Variables
(ii) Set of Value
(iii) Set of Functions
(iv) Set of Operations

12th Standard Computer Science English Medium - Data Abstraction 1 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Which of the following functions that build the abstract data type?
2)
Which of the following functions that retrieve information from the data type?
3)
The data structure which is a mutable ordered sequence of elements is called
4)
A sequence of immutable objects is called
5)
The data type whose representation is known are called

12th Standard Computer Science English Medium - Function 5 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Explain in detail about chameleons of chromeland problem using function.

12th Standard Computer Science English Medium - Function 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
What are called Parameters and write a note on
(i) Parameter without Type
(ii) Parameter with Type
2)
Identify in the following program

let rec gcd a b:=
if b <> 0 then gcd b (a mod b) else return a:

i) Name of the function
ii) Identify the statement which tells it is a recursive function
iii) Name of the argument variable
iv) Statement which invoke the function recursively
v) Statement which terminates the recursion
3)
Explain with example Pure and impure functions.
4)
Explain with an example interface and implementation.

12th Standard Computer Science English Medium - Function 3 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Explain the syntax of function definitions.
2)
Write an algorithm to check whether the entered number is even or odd.
3)
Write a short note an syntax for function types.
4)
What is pure function? Give an example.
5)
Give one theoretical advantage of pure functions?

12th Standard Computer Science English Medium - Function 3 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Mention the characteristics of Interface.
2)
Why strlen is called pure function?
3)
What is the side effect of impure function. Give example.
4)
Differentiate pure and impure function.
5)
Wha happens if you modify a variable outside the function? Give an example.

12th Standard Computer Science English Medium - Function 2 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Differentiate parameters and arguments.
2)
Give an example of function definition parameter without type.
3)
Give an example of function definition parameter with type.
4)
What is recursive function?
5)
Give an example of pure function.

12th Standard Computer Science English Medium - Function 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
What is a subroutine?
2)
Define Function with respect to Programming language.
3)
Write the inference you get from X : = (78).
4)
Differentiate interface and implementation.
5)
Which of the following is a normal function definition and which is recursive function definition
i) let rec sum x y:
return x + y
ii) let disp:
print ‘welcome’
iii) let rec sum num:
if (num!=0) then return num + sum (num-1)
else
return num

12th Standard Computer Science English Medium - Function 1 Mark Creative Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
Which of the following are expressed using statements of a programming language?
2)
What must the used when a bulk of statements to be repeated for many number of times?
3)
Which of the following contains a set a code that works an many kinds of input and produces a concrete output?
4)
Which of the following are the values which are passed to a function definition?
5)
The function definition is introduced by the keyword

12th Standard Computer Science English Medium - Function 1 Mark Book Back Question Paper and Answer Key 2022 - 2023 - by Study Materials - Sep 05, 2022 - View & Read

1)
The small sections of code that are used to perform a particular task is called
2)
Which of the following is a unit of code that is often defined within a greater code structure?
3)
Which of the following is a distinct syntactic block?
4)
The variables in a function definition are called as
5)
The values which are passed to a function definition are called

12th Standard English Medium Computer Science Subject Database Concepts Creative 2 Mark Questions with Solution - by Question Bank Software - Jun 22, 2021 - View & Read

1)
What is database?
2)
Differentiate data and information.
3)
List the characteristics of DBMS.
4)
List the types of RDBMS software.
5)
Write a note on
(i) SELECT Operation
(ii) PROJECT Operation

12th Standard English Medium Computer Science Reduced Syllabus Annual Exam Model Question Paper With Answer Key - 2021 - by Question Bank Software - Feb 27, 2021 - View & Read

1)
Which of the following is a unit of code that is often defined within a greater code structure?
2)
The functions which cause side effects to the arguments passed are called
3)
Which of the following functions that retrieve information from the data type?
4)
Bundling two values together into one can be considered as
5)
The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?

12th Standard English Medium Computer Science Reduced Syllabus Annual Exam Model Question Paper - 2021 - by Question Bank Software - Feb 27, 2021 - View & Read

1)
The values which are passed to a function definition are called
2)
Which of the following defines what an object can do?
3)
Which of the following carries out the instructions defined in the interface?
4)
The data structure which is a mutable ordered sequence of elements is called
5)
The data type whose representation is known are called

12th Standard English Medium Computer Science Reduced syllabus Public Exam Model Question Paper - 2021 - by Question Bank Software - Feb 27, 2021 - View & Read

1)
Which of the following defines what an object can do?
2)
Which of the following functions that build the abstract data type?
3)
Bundling two values together into one can be considered as
4)
From the following sorting algorithms which algorithm needs the minimum number of swaps?
5)
The complexity of linear search algorithm is

12th Standard English Medium Computer Science Reduced syllabus Public Exam Model Question Paper With Answer Key - 2021 - by Question Bank Software - Feb 27, 2021 - View & Read

1)
Which of the following is a unit of code that is often defined within a greater code structure?
2)
The functions which will give exact result when same arguments are passed are called
3)
The data type whose representation is known are called
4)
The data type whose representation is unknown are called
5)
The process of binding a variable name with an object is called

12th Standard English Medium Computer Science Reduced syllabus Creative Five Mark Question with Answer key - 2021(Public Exam ) - by Question Bank Software - Feb 27, 2021 - View & Read

1)
Explain the representation of Abstract datatype using rational numbers.
2)
Explain the concept access control.
3)
Define efficiency of an algorithm? How the efficiency of an algorithm was determined?
4)
Explain the sorting algorithm that uses n-1 number passes to get the final sorted list.
5)
Explain Jump statement in python.

12th Standard English Medium Computer Science Reduced syllabus Creative Three Mark Question with Answer key - 2021(Public Exam ) - by Question Bank Software - Feb 27, 2021 - View & Read

1)
Explain the syntax of function definitions.
2)
Write a short note an syntax for function types.
3)
Give an example of an ADT for rational numbers.
4)
Write a note on built-in scope.
5)
How will you ensure the principle of data encapsulation in object - oriented programming?

12th Standard English Medium Computer Science Reduced syllabus Creative Two Mark Question with Answer key - 2021(Public Exam ) - by Question Bank Software - Feb 27, 2021 - View & Read

1)
Differentiate parameters and arguments.
2)
What is recursive function?
3)
How the concrete level of data abstraction implemented?
4)
How a class defines a data abstraction?
5)
What is the use of LEGB rule?

12th Standard English Medium Computer Science Reduced syllabus Creative one Mark Question with Answer key - 2021(Public Exam ) - by Question Bank Software - Feb 27, 2021 - View & Read

1)
Which of the following optimization technique used in dynamic algorithms
2)
Data are maintained and manipulated effectively through_________
3)
Recursion used to calculate factorial of a given value n in algorithm is an example of________ component
4)
Which of the following can be identify by an identifier?
5)
Which of the following is not a fundamental data type?

12th Standard English Medium Computer Science Reduced Syllabus Five Mark important Questions With Answer Key - 2021(Public Exam ) - by Question Bank Software - Feb 27, 2021 - View & Read

1)
Explain with example Pure and impure functions.
2)
How will you facilitate data abstraction. Explain it with suitable example.
3)
What is a List? Why List can be called as Pairs. Explain with suitable example.
4)
Explain the representation of Abstract datatype using rational numbers.
5)
Explain the types of scopes for variable or LEGB rule with example.

12th Standard English Medium Computer Science Reduced Syllabus Five Mark important Questions - 2021(Public Exam ) - by Question Bank Software - Feb 27, 2021 - View & Read

1)
Identify in the following program

let rec gcd a b:=
if b <> 0 then gcd b (a mod b) else return a:

i) Name of the function
ii) Identify the statement which tells it is a recursive function
iii) Name of the argument variable
iv) Statement which invoke the function recursively
v) Statement which terminates the recursion
2)
Explain the representation of Abstract datatype using rational numbers.
3)
What is Binary search? Discuss with example
4)
Explain complexity of an algorithm.
5)
Explain the selection sort Algorithm with an example.

12th Standard English Medium Computer Science Reduced Syllabus Three Mark important Questions With Answer Key - 2021(Public Exam ) - by Question Bank Software - Feb 27, 2021 - View & Read

1)
Mention the characteristics of Interface.
2)
Wha happens if you modify a variable outside the function? Give an example.
3)
Write a short note an syntax for function types.
4)
Define Global scope with an example.
5)
Write the different factors in which the time efficiency of an algorithm its measured

12th Standard English Medium Computer Science Reduced Syllabus Three Mark important Questions - 2021(Public Exam ) - by Question Bank Software - Feb 27, 2021 - View & Read

1)
Mention the characteristics of Interface.
2)
What is the side effect of impure function. Give example.
3)
Explain the syntax of function definitions.
4)
Identify Which of the following are List, Tuple and class ?
(a) arr [1, 2, 34]
(b) arr (1, 2, 34)
(c) student [rno, name, mark]
(d) day= (‘sun’, ‘mon’, ‘tue’, ‘wed’)
(e) x= [2, 5, 6.5, [5, 6], 8.2]
(f) employee [eno, ename, esal, eaddress]
5)
Define Enclosed scope with an example.

12th Standard English Medium Computer Science Reduced Syllabus Two Mark important Questions With Answer Key - 2021(Public Exam ) - by Question Bank Software - Feb 27, 2021 - View & Read

1)
Differentiate interface and implementation.
2)
Give an example of function definition parameter with type.
3)
Construct on algorithm that arranges meetings between these two types so that they change their color to the third type. In the end, all should display the same color.
4)
How the concrete level of data abstraction implemented?
5)
Write a pseudocode to depressant rational numbers using list.

12th Standard English Medium Computer Science Reduced Syllabus Two Mark important Questions - 2021(Public Exam ) - by Question Bank Software - Feb 27, 2021 - View & Read

1)
Define Function with respect to Programming language.
2)
Differentiate constructors and selectors.
3)
Write a pseudocode to depressant rational numbers using list.
4)
What is a scope?
5)
What is the use of LEGB rule?

12th Standard English Medium Computer Science Reduced Syllabus One mark Important Questions With Answer Key - 2021(Public Exam ) - by Question Bank Software - Feb 27, 2021 - View & Read

1)
Which of the following defines what an object can do?
2)
Which of the following carries out the instructions defined in the interface?
3)
The functions which will give exact result when same arguments are passed are called
4)
Which of the following is an instance created from the class?
5)
Which of the following is a type for objects whose behavior is defined by a set of value and a set of operations?

12th Standard English Medium Computer Science Reduced Syllabus One mark Important Questions - 2021(Public Exam ) - by Question Bank Software - Feb 27, 2021 - View & Read

1)
Which of the following is a distinct syntactic block?
2)
The data type whose representation is unknown are called
3)
Which of the following is a compound structure?
4)
Which of the following provides modularity?
5)
Which of the following extract the information of the object?

12th Standard Computer Science English Medium Data Visualization Using Pyplot Reduced Syllabus Important Questions With Answer Key 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
Which is a python package used for 2D graphics?
2)
Identify the package manager for Python packages, or modules.
3)
To install matplotlib, the following function will be typed in your command prompt. What does “-U”represents?
Python –m pip install –U pip
4)
Read the code:
a. import matplotlib.pyplot as plt
b. plt.plot(3,2)
c. plt.show()
Identify the output for the above coding
5)
Which key is used to run the module?

12th Standard Computer Science English Medium Data Visualization Using Pyplot Reduced Syllabus Important Questions 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
Identify the package manager for Python packages, or modules.
2)
Read the following code: Identify the purpose of this code and choose the right option from the following.
C:\Users\YourName\AppData\Local\Programs\Python\Python36-32\Scripts>pip –version
3)
Read the following code: Identify the purpose of this code and choose the right option from the following.
C:\Users\Your Name\AppData\Local\Programs\Python\Python36-32\Scripts>pip list
4)
Identify the right type of chart using the following hints.
Hint 1: This chart is often used to visualize a trend in data over intervals of time.
Hint 2: The line in this type of chart is often drawn chronologically.
5)
The numerical data is encoded using

12th Standard Computer Science English Medium Data Manipulation Through SQL Reduced Syllabus Important Questions With Answer Key 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
SQLite falls under which database system?
2)
The most commonly used statement in SQL is
3)
Which method is SQlite is used create a connection with a database file created?
4)
The SQlite command opens the already created database is
5)
Which SQlite method is used to fetch the required number of rows in the database table?

12th Standard Computer Science English Medium Data Manipulation Through SQL Reduced Syllabus Important Questions 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
SQLite falls under which database system?
2)
Which of the following is called the master table?
3)
A table column will be automatically auto incremented in SQlite3 by giving
4)
Which sqlite method is used to fetch all rows from the database table?
5)
Which SQlite method is used to fetch the required number of rows in the database table?

12th Standard Computer Science English Medium Importing C++ Programs in Python Reduced Syllabus Important Questions With Answer Key 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
Which of the following is not a scripting language?
2)
Which of the following is a software design technique to split your code into separate parts?
3)
The module which allows you to interface with the Windows operating system is
4)
getopt() will return an empty array if there is no error in splitting strings to
5)
Identify the function call statement in the following snippet.
if __name__ =='__main__':
main(sys.argv[1:])

12th Standard Computer Science English Medium Importing C++ Programs in Python Reduced Syllabus Important Questions 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
C++ code is 5 to 10 times more than
2)
Which of the following python interface used for both C and C++?
3)
MinGW expansion is
4)
Which of the following is needed to run a c++ program on windows?
5)
In the command python <filename.py> -i <C++ filename> where i denotes.

12th Standard Computer Science English Medium Python and CSV Files Reduced Syllabus Important Questions With Answer Key 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
The expansion of CRLF is
2)
Which of the following creates an object which maps data to a dictionary?
3)
Which of the following gives the python programmer the ability to parse CSV files?
4)
Fields containing line breaks denoted by
5)
In Excel, the default CSV files should open automatically by

12th Standard Computer Science English Medium Python and CSV Files Reduced Syllabus Important Questions 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
A CSV file is also known as a ….
2)
The command used to skip a row in a CSV file is
3)
What is the output of the following program? import csv
d=csv.reader(open('c:\PYPRG\ch13\city.csv'))
next(d)
for row in d:
print(row)
if the file called “city.csv” contain the following details
chennai,mylapore
mumbai,andheri
4)
What will be written inside the file test.csv using the following program
import csv
D = [['Exam'],['Quarterly'],['Halfyearly']]
csv.register_dialect('M',lineterminator = '\n')
with open('c:\pyprg\ch13\line2.csv', 'w') as f:
wr = csv.writer(f,dialect='M')
wr.writerows(D)
f.close()
5)
Which of the following is a human readable text file where each line has fields?

12th Standard Computer Science English Medium Structured Query Language Reduced Syllabus Important Questions With Answer Key 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
SQL originally called as
2)
Latest SQL standard as of now is
3)
WAMP stands for
4)
TCL stands for
5)
DQL Stands for

12th Standard Computer Science English Medium Structured Query Language Reduced Syllabus Important Questions 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
Which commands provide definitions for creating table structure, deleting relations, and modifying relation schemas.
2)
The clause used to sort data in a database
3)
Which of the following language was designed for managing and accessing data in RDBMS?
4)
SQL stands for
5)
SQL originally called as

12th Standard Computer Science English Medium Database Concepts Reduced Syllabus Important Questions With Answer Key 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
Who developed ER model?
2)
Which of the following is an organized collection of data?
3)
Which of the following is an organized collection of data, which can be stared and a cersed through computer system
4)
Which of the following allows users to store, process and analyze data easily?
5)
Which of the following provided an interface to perform various operations to create a database, storing and updating data?

12th Standard Computer Science English Medium Database Concepts Reduced Syllabus Important Questions 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
Which of the following is an organized collection of data?
2)
Which of the following is an organized collection of data, which can be stared and a cersed through computer system
3)
Which of the following a data contain?
4)
Which of the following provided an interface to perform various operations to create a database, storing and updating data?
5)
Which of the following provides protection and security to the databases?

12th Standard Computer Science English Medium Python Classes and Objects Reduced Syllabus Important Questions With Answer Key 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
Which of the following are the key features of an Object Oriented Programming language?
2)
Which of the following method is used as destructor?
3)
Which of the following class declaration is correct?
4)
Which of the following is the output of the following program?
class Student:
def __init__(self, name):
self.name=name
print (self.name)
S=Student(“Tamil”)
5)
Functions of the class are called as

12th Standard Computer Science English Medium Python Classes and Objects Reduced Syllabus Important Questions 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
Which of the following are the key features of an Object Oriented Programming language?
2)
Functions of the class are called as
3)
In Python, every class name followed by
4)
Which of the following can be accessed by using object with dot (.) operator?
5)
Which of the following is valid syntax of accessing class members

12th Standard Computer Science English Medium Lists, Tuples, Sets and Dictionaries Reduced Syllabus Important Questions With Answer Key 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
If List=[17,23,41,10] then List.append(32) will result
2)
Which of the following Python function can be used to add more than one element within an existing list?
3)
Which of the following is not datatype in Python?
4)
Which of the following is an ordered collection of values?
5)
Which of the following datatype enclosed with [ ]?

12th Standard Computer Science English Medium Lists, Tuples, Sets and Dictionaries Reduced Syllabus Important Questions 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
Let list1=[2,4,6,8,10], then print(List1[-2]) will result in
2)
If List=[10,20,30,40,50] then List[2]=35 will result
3)
Which of the following statement is not correct?
4)
Let setA={3,6,9}, setB={1,3,9}. What will be the result of the following snippet?
print(setA|setB)
5)
Which of the following set operation includes all the elements that are in two sets but not the one that are common to two sets?

12th Standard Computer Science English Medium Strings and String Manipulations Reduced Syllabus Important Questions With Answer Key 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
What will be the output of the following code?
str1 = "Chennai Schools"
str1[7] = "-"
2)
Strings in python:
3)
What is stride?
4)
The subscript of a string may be:
5)
Which of the following allows creation of multiline strings

12th Standard Computer Science English Medium Strings and String Manipulations Reduced Syllabus Important Questions 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
Which of the following is the output of the following python code?
str1="TamilNadu"
print(str1[::-1])
2)
Defining strings within triple quotes allows creating:
3)
Which of the following is used as placeholders or replacement fields which get replaced along with format( ) function?
4)
Which of the following allows creation of multiline strings
5)
Which of the following is used to access and manipulate the strings

12th Standard Computer Science English Medium Python Functions Reduced Syllabus Important Questions With Answer key 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
A Function which calls itself is called as
2)
Read the following statement and choose the correct statement(s).
(I) In Python, you don’t have to mention the specific data types while defining function.
(II) Python keywords can be used as function name.
3)
Which of the following keyword is used to define the function testpython(): ?
4)
How many types of functions are there in python?
5)
Which of the following is not a type of function in python?

12th Standard Computer Science English Medium Python Functions Reduced Syllabus Important Questions 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
Functions that calls itself are known as
2)
Which of the following statement exits a function?
3)
In Python, statement in a block are written with
4)
Which of the following functions is an example that supports variable-length arguments?
5)
A with local scope can be accessed only within the block

12th Standard Computer Science English Medium Control Structures Reduced Syllabus Important Questions With Answer Key 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
How many important control structures are there in Python?
2)
The condition in the if statement should be in the form of
3)
Which of the following is known as definite loop?
4)
Which punctuation should be used in the blank?
if < condition > ____
statements-block 1
else:
statements-block 2
5)
Which of the following are the executable segments that yield the result?

12th Standard Computer Science English Medium Control Structures Reduced Syllabus Important Questions 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
How many important control structures are there in Python?
2)
elif can be considered to be abbreviation of
3)
What plays a vital role in Python programming?
4)
What is the output of the following snippet?
T=1
while T:
print(True)
break
5)
Which amongst this is not a jump statement?

12th Standard Computer Science English Medium Python - Variables and Operators Reduced Syllabus Important Questions With Answer Key 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
The Python prompt indicates that Interpreter is ready to accept instruction.
2)
Which operator is also called as Comparative operator?
3)
Which of the following is not Logical operator?
4)
Which operator is also called as Conditional operator?
5)
In Python, the script mode programs can be stored with the extension.

12th Standard Computer Science English Medium Python - Variables and Operators Reduced Syllabus Important Questions 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
The Python prompt indicates that Interpreter is ready to accept instruction.
2)
Which operator is also called as Conditional operator?
3)
Which of the following mode cannot be written Python program?
(i) Interactive mode
(ii) Script mode
(iii) Calculator mode
(iv) Executable mode
4)
Which mode can also be used as a simple calculator in Python?
5)
Which of the following indicates in Python that interpreter is ready to accept instructions?

12th Standard Computer Science English Medium Algorithmic Strategies Reduced Syllabus Important Questions 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?
2)
From the following sorting algorithms which algorithm needs the minimum number of swaps?
3)
Time complexity of bubble sort in best case is
4)
The Θ notation in asymptotic evaluation represents
5)
If a problem can be broken into subproblems which are reused several times, the problem possesses which property?

12th Standard Computer Science English Medium Algorithmic Strategies Reduced Syllabus Important Questions With Answer Key 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?
2)
If a problem can be broken into subproblems which are reused several times, the problem possesses which property?
3)
In dynamic programming, the technique of storing the previously calculated values is called ?
4)
Which of the following is not a characteristic of an algorithm?
5)
Which of the following is not an example of data structures?

12th Standard Computer Science English Medium Scoping Reduced Syllabus Important Questions With Answer Key 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
Which of the following security technique that regulates who can use resources in a computing environment?
2)
Which of the following members of a class can be handled only from within the class?
3)
Which members are accessible from outside the class?
4)
The members that are accessible from within the class and are also available to its sub classes is called
5)
How many variables can be mapped to the same instance?

12th Standard Computer Science English Medium Scoping Reduced Syllabus Important Questions 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
Which of the following refers to the visibility of variablesin one part of a program to another part of the same program.
2)
The process of binding a variable name with an object is called
3)
Which of the following security technique that regulates who can use resources in a computing environment?
4)
Which of the following members of a class can be handled only from within the class?
5)
Which of the following refers to the addresses to an object in memory?

12th Standard Computer Science English Medium Data Abstraction Reduced Syllabus Important Questions With Answer Key 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
The data type whose representation is known are called
2)
The data type whose representation is unknown are called
3)
Which of the following is constructed by placing expressions within square brackets?
4)
ADT expansion is
5)
Which of the following is a type for objects whose behavior is defined by a set of value and a set of operations?

12th Standard Computer Science English Medium Data Abstraction Reduced Syllabus Important Questions 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
Which of the following functions that build the abstract data type?
2)
The data type whose representation is unknown are called
3)
Which of the following is a compound structure?
4)
Which of the following is a powerful concept that allows programmers to treat codes as objects?
5)
Which of the following provides modularity?

12th Standard Computer Science English Medium Function Reduced Syllabus Important Questions With Answer Key 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
The small sections of code that are used to perform a particular task is called
2)
Which of the following is a unit of code that is often defined within a greater code structure?
3)
Which of the following defines what an object can do?
4)
Which of the following carries out the instructions defined in the interface?
5)
The functions which cause side effects to the arguments passed are called

12th Standard Computer Science English Medium Function Reduced Syllabus Important Questions 2021 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
The small sections of code that are used to perform a particular task is called
2)
Which of the following is a unit of code that is often defined within a greater code structure?
3)
Which of the following is a distinct syntactic block?
4)
The values which are passed to a function definition are called
5)
Which of the following are mandatory to write the type annotations in the function definition?

12th Standard Computer Science English Medium Reduced Syllabus Model Question paper With Answer Key- 2021 Part -2 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
Which of the following provides modularity?
2)
Which of the following are functions that build the abstract datatypet?
3)
________are the representation for Abstract Data types.
4)
___________is a selective restriction of access to data in a program?
5)
How many components required to find the space required by an algorithm?

12th Standard Computer Science English Medium Reduced Syllabus Model Question paper With Answer Key- 2021 Part - 1 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
Which of the following defines what an object can do?
2)
A sequence of immutable objects is called
3)
Which of the following is not a type of llteral?
4)
What plays a vital role in Python programming?
5)
How many important control structures in python?

12th Standard Computer Science English Medium Reduced Syllabus Model Question paper - 2021 Part - 2 - by Question Bank Software - Feb 03, 2021 - View & Read

1)
Which of the following is a unit of code that is often defined within a greater code structure?
2)
The functions which will give exact result when same arguments are passed are called
3)
Which of the following functions that retrieve information from the data type?
4)
A________ is not just data, it has functions defined within it.
5)
Which of the following rule is used to decide the order in which the scopes are to be searched for scope resolution?

12th Standard Computer Science English Medium Reduced Syllabus Model Question paper - 2021 Part - 2 - by Question Bank Software - Feb 02, 2021 - View & Read

1)
Which of the following carries out the instructions defined in the interface?
2)
The functions which cause side effects to the arguments passed are called
3)
The data type whose representation is known are called
4)
Which of the following is constructed by placing expressions within square brackets?
5)
How many access control keywords are there?

12th Standard Computer Science English Medium Reduced Syllabus Important Questions with Answer key - 2021 Part - 2 - by Question Bank Software - Feb 02, 2021 - View & Read

1)
The small sections of code that are used to perform a particular task is called
2)
The data structure which is a mutable ordered sequence of elements is called
3)
The members that are accessible from within the class and are also available to its sub classes is called
4)
Which of the following is not a stable sorting algorithm?
5)
Time complexity of bubble sort in best case is

12th Standard Computer Science English Medium Reduced Syllabus Important Questions with Answer key - 2021 Part - 1 - by Question Bank Software - Feb 02, 2021 - View & Read

1)
The functions which cause side effects to the arguments passed are called
2)
A sequence of immutable objects is called
3)
Which of the following allow to name the various parts of a multi-item object?
4)
Which of the following is constructed by placing expressions within square brackets?
5)
Which of the following provides modularity?

12th Standard Computer Science English Medium Reduced Syllabus Important Questions - 2021 Part - 2 - by Question Bank Software - Feb 02, 2021 - View & Read

1)
Which of the following carries out the instructions defined in the interface?
2)
The functions which will give exact result when same arguments are passed are called
3)
The data type whose representation is known are called
4)
The data type whose representation is unknown are called
5)
If a problem can be broken into subproblems which are reused several times, the problem possesses which property?

12th Standard Computer Science English Medium Reduced Syllabus Important Questions - 2021 Part - 1 - by Question Bank Software - Feb 02, 2021 - View & Read

1)
Which of the following is a unit of code that is often defined within a greater code structure?
2)
Which of the following are expressed using statements of a programming language?
3)
Which of the following functions that retrieve information from the data type?
4)
In which data representation, a definition for each function is known
5)
The____________ can be implemented using singly linked list or doubly linked list

12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following are mandatory to write the type annotations in the function definition?
2)
Which of the following carries out the instructions defined in the interface?
3)
Which of the following contains a set a code that works an many kinds of input and produces a concrete output?
4)
A sequence of immutable objects is called
5)
The process of providing only the essentials and hiding the details is known as

12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following is a unit of code that is often defined within a greater code structure?
2)
What must the used when a bulk of statements to be repeated for many number of times?
3)
Which of the following functions that retrieve information from the data type?
4)
Which of the following provides modularity?
5)
The process of binding a variable name with an object is called

12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Two - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following is a distinct syntactic block?
2)
Which of the following contains a set a code that works an many kinds of input and produces a concrete output?
3)
The data structure which is a mutable ordered sequence of elements is called
4)
Which of the following is used in programming languages to map the variable and object?
5)
Two main measures for the efficiency of an algorithm are

12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Three - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following defines what an object can do?
2)
The data type whose representation is unknown are called
3)
Efficiency of an algorithm is measured by_______factors.
4)
Which of the following is not a token?
5)
Which amongst this is not a jump statement?

12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Two - by Question Bank Software - Nov 05, 2020 - View & Read

1)
The values which are passed to a function definition are called
2)
Which of the following are the values which are passed to a function definition?
3)
A sequence of immutable objects is called
4)
Which of the following is a type for objects whose behavior is defined by a set of value and a set of operations?
5)
Containers for mapping names of variables to objects is called

12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Three - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following defines what an object can do?
2)
Strlen is an example________function.
3)
The data type whose representation is known are called
4)
To facilitate data abstraction, How many types of functions are created?
5)
A________ data representation is defined as an independent part of the program.

12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Four - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following carries out the instructions defined in the interface?
2)
A_________ combines the external interface with an implementation of the interface
3)
Which of the following is a compound structure?
4)
How many ways to implement an ADT?
5)
How many ways are there to represent pair datatypet?

12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Four - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following carries out the instructions defined in the interface?
2)
Bundling two values together into one can be considered as
3)
The example of modules are
4)
The way of defining an algorithm is called
5)
In which programming the solutions of overlapped sub-problems are combined in order to get the better solution?

12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Five - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following carries out the instructions defined in the interface?
2)
The recursive function is defined using the keyword
3)
ADT behavior is defined by
(i) Set of Variables
(ii) Set of Value
(iii) Set of Functions
(iv) Set of Operations
4)
______ are functions that retrieve information from the data type.
5)
Choose the type of scope for a variable '9! defined in the following program.
Disp ( ):
a:=7
Print a
Disp ( )

12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Six - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following are the values which are passed to a function definition?
2)
A sequence of immutable objects is called
3)
The process of providing only the essentials and hiding the details is known as
4)
Which of the following defines a data abstraction by grouping related data items?
5)
The order in which variables have to be mapped to the object in order to obtain the value is called

12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Five - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following defines what an object can do?
2)
In object oriented programs, how the object is processed and executed is__________
3)
Which of the following is a compound structure?
4)
Which of the following security technique that regulates who can use resources in a computing environment?
5)
Time complexity of bubble sort in best case is

12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Six - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following are mandatory to write the type annotations in the function definition?
2)
The data type whose representation is unknown are called
3)
The process of subdividing a computer program into separate sub-programs is called
4)
Which of the following is not a stable sorting algorithm?
5)
Which of the following method checks the search element with each element in sequence?

12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Seven - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following is a description of all functions in object oriented programming language?
2)
Which of the following allow to name the various parts of a multi-item object?
3)
How many ways to implement an ADT?
4)
Which of the following does not allow us to name the various parts of a multi-item object?
5)
A________ is not just data, it has functions defined within it.

12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Seven - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following defines what an object can do?
2)
Which of the following is a description of all functions in object oriented programming language?
3)
The data type whose representation is unknown are called
4)
The process of providing only the essentials and hiding the details is known as
5)
Which of the following are functions that build the abstract datatypet?

12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Eight - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following carries out the instructions defined in the interface?
2)
Explicitly_________the types can help with debugging.
3)
The data type whose representation is unknown are called
4)
Which of the following replicate how we think about the world?
5)
The process of subdividing a computer program into separate sub-programs is called

12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Nine - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following defines what an object can do?
2)
Which of the following is a compound structure?
3)
Which of the following members of a class can be handled only from within the class?
4)
Time complexity of bubble sort in best case is
5)
Which operator is also called as Comparative operator?

12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Eight - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following defines what an object can do?
2)
The data type whose representation is known are called
3)
Time complexity of bubble sort in best case is
4)
Which of the following is not an example of data structures?
5)
How many components required to find the space required by an algorithm?

12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Nine - by Question Bank Software - Nov 05, 2020 - View & Read

1)
A_________ combines the external interface with an implementation of the interface
2)
______is made up of list or Tuples
3)
The process of subdividing a computer program into separate sub-programs is called
4)
Choose the type of scope for a variable '9! defined in the following program.
Disp ( ):
a:=7
Print a
Disp ( )
5)
______can be separately compiled and stored in a library

12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Ten - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following carries out the instructions defined in the interface?
2)
Bundling two values together into one can be considered as
3)
Which of the following members of a class can be handled only from within the class?
4)
The Θ notation in asymptotic evaluation represents
5)
Which of the following method checks the search element with each element in sequence?

12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Ten - by Question Bank Software - Nov 05, 2020 - View & Read

1)
How the names are mapped with objects in programming language?
2)
Which of the following programming enables programmers to divide up the work and retry pieces of the program independently?
3)
The duration for which a variable is alive is called its_______
4)
Which of the following is not a sorting technique?
5)
Which sorting techniques working by taking elements from the list one by one and inserting them in their correct position into a new sorted list?

12th Standard Computer Science English Medium Free Online Test Book Back One Mark Questions - by Question Bank Software - Nov 05, 2020 - View & Read

1)
The small sections of code that are used to perform a particular task is called
2)
Which of the following functions that build the abstract data type?
3)
Which of the following refers to the visibility of variablesin one part of a program to another part of the same program.
4)
The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?
5)
Who developed Python?

12th Standard Computer Science English Medium Free Online Test Book Back 1 Mark Questions with Answer Key - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following is a unit of code that is often defined within a greater code structure?
2)
Which of the following functions that retrieve information from the data type?
3)
Let list1=[2,4,6,8,10], then print(List1[-2]) will result in
4)
Functions defined inside a class:
5)
A table is known as

12th Standard Computer Science English Medium Free Online Test Book Back One Mark Questions - Part Two - by Question Bank Software - Nov 05, 2020 - View & Read

1)
The functions which cause side effects to the arguments passed are called
2)
Which of the following is constructed by placing expressions within square brackets?
3)
The subscript of a string may be:
4)
The keys in Python, dictionary is specified by
5)
The process of creating an object is called as:

12th Standard Computer Science English Medium Free Online Test Book Back 1 Mark Questions with Answer Key - Part Two - by Question Bank Software - Nov 05, 2020 - View & Read

1)
In which arguments the correct positional order is passed to a function?
2)
What is stride?
3)
Let setA={3,6,9}, setB={1,3,9}. What will be the result of the following snippet?
print(setA|setB)
4)
Which of the following class declaration is correct?
5)
What symbol is used for SELECT statement?

12th Standard Computer Science English Medium Free Online Test Book Back One Mark Questions - Part Three - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following carries out the instructions defined in the interface?
2)
Bundling two values together into one can be considered as
3)
Which of the following members of a class can be handled only from within the class?
4)
The Θ notation in asymptotic evaluation represents
5)
Which operator is also called as Comparative operator?

12th Standard Computer Science English Medium Free Online Test Book Back 1 Mark Questions with Answer Key - Part Three - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following are mandatory to write the type annotations in the function definition?
2)
The data type whose representation is unknown are called
3)
Which of the following security technique that regulates who can use resources in a computing environment?
4)
Time complexity of bubble sort in best case is
5)
Which of the following is not a Keyword in Python?

12th Standard Computer Science English Medium Free Online Test Creative 1 Mark Questions - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following are expressed using statements of a programming language?
2)
Which of the following is a powerful concept that allows programmers to treat codes as objects?
3)
The part of a program that can see or use the variables are called
4)
Which of the following is a finite set of instructions to accomplish a particular task?
5)
Python language was released in

12th Standard Computer Science English Medium Free Online Test Creative One Mark Questions with Answer Key - by Question Bank Software - Nov 05, 2020 - View & Read

1)
The recursive function is defined using the keyword
2)
The process of providing only the essentials and hiding the details is known as
3)
Tuple is constructed by using ______ and________
4)
A variable which is declared outside all the functions in a program is known as
5)
Which of the following members of a class are accessible from within the class and available to its subclass?

12th Standard Computer Science English Medium Free Online Test Creative 1 Mark Questions - Part Two - by Question Bank Software - Nov 05, 2020 - View & Read

1)
_______are the variables in a function definition.
2)
The process of providing only the essentials and hiding the details is known as
3)
Data Abstraction allows programmers to treat code as_______
4)
A variable which is declared outside all the functions in a program is known as
5)
In Object Oriented Programming Language security is implanted through_______

12th Standard Computer Science English Medium Free Online Test Creative One Mark Questions with Answer Key - Part Two - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following is an instance created from the class?
2)
Which of the following are implemented using & lists?
3)
A________ data representation is defined as an independent part of the program.
4)
Which of the following is not a classical object oriented language
5)
An algorithm that yields expected output for a valid input is called an

12th Standard Computer Science English Medium Free Online Test Creative 1 Mark Questions - Part Three - by Question Bank Software - Nov 05, 2020 - View & Read

1)
A function definition which call itself is called
2)
ADT behavior is defined by
(i) Set of Variables
(ii) Set of Value
(iii) Set of Functions
(iv) Set of Operations
3)
A ________ is a comma separated values surround with parentheses.
4)
Which of the following can ease the job of programming and debugging the program?
5)
Which characteristics of algorithm defined the operation involving division by zero?

12th Standard Computer Science English Medium Free Online Test Creative One Mark Questions with Answer Key - Part Three - by Question Bank Software - Nov 05, 2020 - View & Read

1)
In which type of function the return type does not solely depends on its argument passed?
2)
To facilitate data abstraction, How many types of functions are created?
3)
______ are functions that retrieve information from the data type.
4)
How many types of variable scope are there?
5)
Which of the following members of a class are denied access from outside the class?

12th Standard Computer Science English Medium Free Online Test Creative 1 Mark Questions - Part Four - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following carries out the instructions defined in the interface?
2)
Bundling two values together into one can be considered as
3)
Which of the following members of a class can be handled only from within the class?
4)
The Θ notation in asymptotic evaluation represents
5)
Which operator is also called as Comparative operator?

12th Standard Computer Science English Medium Free Online Test Creative One Mark Questions with Answer Key - Part Four - by Question Bank Software - Nov 05, 2020 - View & Read

1)
A theoretical performance analysis of an algorithm is called_________
2)
Which of the following defines the Pythons interactive mode of programming?
3)
If a = 100, then the expression a**2 output is
4)
In Python Script Editor the errors will be shown in _____ color in the IDLE window.
5)
______ data can be decimal, octal or hexadecimal.

12th Standard Computer Science English Medium Free Online Test Creative 1 Mark Questions - Part Five - by Question Bank Software - Nov 05, 2020 - View & Read

1)
A function definition which call itself is called
2)
How many ways to implement an ADT?
3)
How the names are mapped with objects in programming language?
4)
The amount of memory required to run an algorithm completion is known by
5)
Which mode can also be used as a simple calculator?

12th Standard Computer Science English Medium Free Online Test Creative One Mark Questions with Answer Key - Part Five - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following can ease the job of programming and debugging the program?
2)
Fill up the blank in assign a variable with________to an object.
3)
Which of the following is not a sorting technique?
4)
Binary search also called
5)
IDLE expansion is

12th Standard Computer Science Function English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
The small sections of code that are used to perform a particular task is called
2)
Which of the following is a distinct syntactic block?
3)
Which of the following defines what an object can do?
4)
The functions which will give exact result when same arguments are passed are called
5)
Which of the following are expressed using statements of a programming language?

12th Standard Computer Science Function English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following is a unit of code that is often defined within a greater code structure?
2)
The variables in a function definition are called as
3)
Which of the following are mandatory to write the type annotations in the function definition?
4)
Which of the following carries out the instructions defined in the interface?
5)
The functions which cause side effects to the arguments passed are called

12th Standard Computer Science Scoping English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
The process of binding a variable name with an object is called
2)
Containers for mapping names of variables to objects is called
3)
The process of subdividing a computer program into separate sub-programs is called
4)
Which of the following members of a class can be handled only from within the class?
5)
The members that are accessible from within the class and are also available to its sub classes is called

12th Standard Computer Science Python - Variables and Operators English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Who developed Python?
2)
Which of the following shortcut is used to create new Python Program?
3)
This symbol is used to print more than one item on a single line.
4)
Which of the following is not a Keyword in Python?
5)
Which of the following is not Logical operator?

12th Standard Computer Science Algorithmic Strategies English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?
2)
Two main measures for the efficiency of an algorithm are
3)
From the following sorting algorithms which has the lowest worst case complexity?
4)
Time complexity of bubble sort in best case is
5)
If a problem can be broken into subproblems which are reused several times, the problem possesses which property?

12th Standard Computer Science Scoping English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following refers to the visibility of variablesin one part of a program to another part of the same program.
2)
Which of the following is used in programming languages to map the variable and object?
3)
Which scope refers to variables defined in current function?
4)
Which of the following security technique that regulates who can use resources in a computing environment?
5)
Which members are accessible from outside the class?

12th Standard Computer Science Data Abstraction English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following functions that retrieve information from the data type?
2)
A sequence of immutable objects is called
3)
The data type whose representation is unknown are called
4)
Bundling two values together into one can be considered as
5)
Which of the following is constructed by placing expressions within square brackets?

12th Standard Computer Science Data Abstraction English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following functions that build the abstract data type?
2)
The data structure which is a mutable ordered sequence of elements is called
3)
The data type whose representation is known are called
4)
Which of the following is a compound structure?
5)
Which of the following allow to name the various parts of a multi-item object?

12th Standard Computer Science Algorithmic Strategies English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
From the following sorting algorithms which algorithm needs the minimum number of swaps?
2)
The complexity of linear search algorithm is
3)
Which of the following is not a stable sorting algorithm?
4)
The way of defining an algorithm is called
5)
Which characteristics of an algorithm should be generic, independent of any programming language?

12th Standard Computer Science Python - Variables and Operators English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
The Python prompt indicates that Interpreter is ready to accept instruction.
2)
Which of the following is not a token?
3)
Which operator is also called as Comparative operator?
4)
Which operator is also called as Conditional operator?
5)
In Python Script Editor the errors will be shown in _____ color in the IDLE window.

12th Standard Computer Science Control Structures English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
How many important control structures are there in Python?
2)
What plays a vital role in Python programming?
3)
The condition in the if statement should be in the form of
4)
What is the output of the following snippet?
i=1
while True:
if i%3 ==0:
break
print(i,end='')
i +=1
5)
What is the output of the following snippet?
T=1
while T:
print(True)
break

12th Standard Computer Science Control Structures English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
elif can be considered to be abbreviation of
2)
Which of the following is known as definite loop?
3)
What is the output of the following snippet?
T=1
while T:
print(True)
break
4)
Which of the following is used to alter the control flow of the process depending on the state of the process?
5)
Which of the following is not control structures?

12th Standard Computer Science Strings and String Manipulations English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following is the output of the following python code?
str1="TamilNadu"
print(str1[::-1])
2)
Which of the following operator is used for concatenation?
3)
Strings in python:
4)
What is stride?
5)
Which of the following is used as placeholders or replacement fields which get replaced along with format( ) function?

12th Standard Computer Science Strings and String Manipulations English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
What will be the output of the following code?
str1 = "Chennai Schools"
str1[7] = "-"
2)
Defining strings within triple quotes allows creating:
3)
Which of the following is the slicing operator?
4)
Which of the following formatting character is used to print exponential notation in upper case?
5)
Which of the following is used to access and manipulate the strings

12th Standard Computer Science Python Functions English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
A Function which calls itself is called as
2)
Which function is called anonymous un-named function?
3)
Read the following statement and choose the correct statement(s).
(I) In Python, you don’t have to mention the specific data types while defining function.
(II) Python keywords can be used as function name.
4)
Which of the following is used, if you don't need to type all the python code for the same task again and again:
5)
Which of the following provides better modularity for your python application

12th Standard Computer Science Python Functions English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
A named blocks of code that are designed to do one specific job is called as
2)
Which of the following keyword is used to begin the function block?
3)
While defining a function which of the following symbol is used.
4)
Read the following statement and choose the correct statement(s).
(I) In Python, you don’t have to mention the specific data types while defining function.
(II) Python keywords can be used as function name.
5)
Which of the following keyword is used to define the function testpython(): ?

12th Standard Computer Science Lists, Tuples, Sets and Dictionary English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Pick odd one in connection with collection data type
2)
Which of the following function is used to count the number of elements in a list?
3)
What will be the result of the following Python code?
S=[x**2 for x in range(5)]
print(S)
4)
Which of the following statement is not correct?
5)
Which of the following set operation includes all the elements that are in two sets but not the one that are common to two sets?

12th Standard Computer Science Lists, Tuples, Sets and Dictionary English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Let list1=[2,4,6,8,10], then print(List1[-2]) will result in
2)
Let setA={3,6,9}, setB={1,3,9}. What will be the result of the following snippet?
print(setA|setB)
3)
What is the output from the following?
li = ['T', 'E', 'C', 'M']
for i in li:
print (li [1])
4)
Which of the following function used to include an element in a list at a desired position?
5)
Which function is used to convert the result of range () function in to list?

12th Standard Computer Science Python Classes and Objects English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following are the key features of an Object Oriented Programming language?
2)
Class members are accessed through which operator?
3)
Which of the following is the private class variable?
4)
Which of the following is not an object oriented language?
5)
Which of the following argument values automatically by python?

12th Standard Computer Science Python Classes and Objects English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Functions defined inside a class:
2)
Which of the following is the output of the following program?
class Student:
def __init__(self, name):
self.name=name
print (self.name)
S=Student(“Tamil”)
3)
The process of creating an object is called as:
4)
Which of the following called as instances of a class or class variable?
5)
In Python, every class name followed by

12th Standard Computer Science Database Concepts English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
What is the acronym of DBMS?
2)
Which database model represents parent-child relationship?
3)
What type of relationship does hierarchical model represents?
4)
Which of the following is an organized collection of data?
5)
Which of the following a data contain?

12th Standard Computer Science Database Concepts English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
A table is known as
2)
Who is called Father of Relational Database from the following?
3)
What symbol is used for SELECT statement?
4)
Which of the following is an organized collection of data, which can be stared and a cersed through computer system
5)
In which of the following data organized in a way that, it can be easily accessed, managed and updated?

12th Standard Computer Science Structured Query Language ( SQL ) English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which commands provide definitions for creating table structure, deleting relations, and modifying relation schemas.
2)
The command to delete a table including the structure is
3)
Latest SQL standard as of now is
4)
Which of the following is not a RDBMS package?
5)
Which of the following is a collection of data entries?

12th Standard Computer Science Structured Query Language ( SQL ) English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which command lets to change the structure of the table?
2)
Queries can be generated using
3)
Which of the following language was designed for managing and accessing data in RDBMS?
4)
SQL originally called as
5)
Find out the odd man out:

12th Standard Computer Science Python and CSV Files English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
A CSV file is also known as a ….
2)
Which of the following module is provided by Python to do several operations on the CSV files?
3)
What is the output of the following program? import csv
d=csv.reader(open('c:\PYPRG\ch13\city.csv'))
next(d)
for row in d:
print(row)
if the file called “city.csv” contain the following details
chennai,mylapore
mumbai,andheri
4)
Making some changes in the data of the existing file or adding more data is called
5)
Which of the following gives the python programmer the ability to parse CSV files?

12th Standard Computer Science Python and CSV Files English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
The expansion of CRLF is
2)
Which of the following mode is used when dealing with non-text files like image or exe files?
3)
Which of the following is a string used to terminate lines produced by writer()method of csv module?
4)
Which of the following creates an object which maps data to a dictionary?
5)
CSV means

12th Standard Computer Science Importing C++ Programs in Python English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following is not a scripting language?
2)
The expansion of API is
3)
getopt() will return an empty array if there is no error in splitting strings to
4)
Which of the following can be used for processing text, numbers, images, and scientific data?
5)
Which of the following are general purpose programming language?

12th Standard Computer Science Importing C++ Programs in Python English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Importing C++ program in a Python program is called
2)
A framework for interfacing Python and C++ is
3)
Identify the function call statement in the following snippet.
if __name__ =='__main__':
main(sys.argv[1:])
4)
What does __name__ contains?
5)
Which of the following is not general purpose language?

12th Standard Computer Science Data Manipulation Through SQL English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
SQLite falls under which database system?
2)
Which of the following is called the master table?
3)
Which of the following clause avoide the duplicate?
4)
The SQlite command opens the already created database is
5)
Which of the following is used define a SQL command in SQlite3?

12th Standard Computer Science Data Visualization Using Pyplot English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Identify the package manager for Python packages, or modules.
2)
Observe the output figure. Identify the coding for obtaining this output.
3)
Which key is used to run the module?
4)
The numerical data is encoded using
5)
Which type of charts displays information as series of data points?

12th Standard Computer Science Data Visualization Using Pyplot English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which is a python package used for 2D graphics?
2)
Read the following code: Identify the purpose of this code and choose the right option from the following.
C:\Users\YourName\AppData\Local\Programs\Python\Python36-32\Scripts>pip –version
3)
Read the code:
a. import matplotlib.pyplot as plt
b. plt.plot(3,2)
c. plt.show()
Identify the output for the above coding
4)
Which kind of data encoded visually communicate a quantitative message
5)
Matplotlib allows you to create a

12th Standard Computer Science Data Manipulation Through SQL English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 05, 2020 - View & Read

1)
Which of the following is an organized collection of data?
2)
Which of the following is a control structure used to traverse and fetch the records of the database?
3)
Which of the following executes the SQL command to perform some action?
4)
The function that returns the largest value of the selected column is
5)
The most commonly used statement in SQL is

12th Standard Computer Science English Medium Model 5 Mark Creative Questions (New Syllabus 2020) - by Question Bank Software - Sep 30, 2020 - View & Read

1)
Explain the representation of Abstract datatype using rational numbers.
2)
Explain the concept access control.
3)
Define efficiency of an algorithm? How the efficiency of an algorithm was determined?
4)
Write a program in python to display he following output.
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
5)
Write a python program to find Fibonacci series of n terms using recursion.

12th Standard Computer Science English Medium Model 5 Mark Book Back Questions (New Syllabus 2020) - by Question Bank Software - Sep 30, 2020 - View & Read

1)
Identify in the following program

let rec gcd a b:=
if b <> 0 then gcd b (a mod b) else return a:

i) Name of the function
ii) Identify the statement which tells it is a recursive function
iii) Name of the argument variable
iv) Statement which invoke the function recursively
v) Statement which terminates the recursion
2)
How will you facilitate data abstraction. Explain it with suitable example.
3)
Write any Five Characteristics of Modules.
4)
What is Binary search? Discuss with example
5)
Describe in detail the procedure Script mode programming.

12th Standard Computer Science English Medium Sample 5 Mark Creative Questions (New Syllabus 2020) - by Question Bank Software - Sep 30, 2020 - View & Read

1)
Explain the concept access control.
2)
Differentiate Algorithm and program
3)
Write a program in python to display the following output.
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
4)
Write a program in python to display he following output.
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
5)
Explain different types arguments used in python with an example.

12th Standard Computer Science English Medium Sample 5 Mark Book Back Questions (New Syllabus 2020) - by Question Bank Software - Sep 30, 2020 - View & Read

1)
What are called Parameters and write a note on
(i) Parameter without Type
(ii) Parameter with Type
2)
What is a List? Why List can be called as Pairs. Explain with suitable example.
3)
Explain the types of scopes for variable or LEGB rule with example.
4)
Discuss about Linear search algorithm.
5)
Explain input() and print() functions with examples.

12th Standard Computer Science English Medium Important 5 Mark Creative Questions (New Syllabus 2020) - by Question Bank Software - Sep 30, 2020 - View & Read

1)
Explain the concept access control.
2)
Differentiate Algorithm and program
3)
Write a program in python to display the following output.
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
4)
Write a program in python to display the following output.
(i) 5 5 5 5 5
4 4 4 4
3 3 3
2 2
1
(ii) 1 2 3 4 5
1 2 3 4
1 2 3
1 2
1
5)
Write a python program to find HCF of two numbers using recursion.

12th Standard Computer Science English Medium Important 5 Mark Book Back Questions (New Syllabus 2020) - by Question Bank Software - Sep 30, 2020 - View & Read

1)
Explain with example Pure and impure functions.
2)
What is a List? Why List can be called as Pairs. Explain with suitable example.
3)
Write any five benefits in using modular programming.
4)
Explain the characteristics of an algorithm.
5)
Discuss in detail about Tokens in Python.

12th Standard Computer Science English Medium Model 3 Mark Creative Questions (New Syllabus) 2020 - by Question Bank Software - Sep 01, 2020 - View & Read

1)
Explain the syntax of function definitions.
2)
Write a note on Data Abstraction.
3)
Write a note on access modifiers of a class.
4)
Write a pseudo code for bubble sort algorithm
5)
Fill in the blanks.
>>> city = \(\overset { (1) }{ \_ \_ \_ \_ \_ } \) ("Enter your City")
Enter your city \(\overset { (2) }{ \_ \_ \_ \_ \_ } \)
>>> print ("I am from", \(\overset { (3) }{ \_ \_ \_ \_ \_ } \))
I am from Chennai

12th Standard Computer Science English Medium Model 3 Mark Book Back Questions (New Syllabus) 2020 - by Question Bank Software - Sep 01, 2020 - View & Read

1)
Mention the characteristics of Interface.
2)
Differentiate Concrete data type and abstract datatype.
3)
Define Enclosed scope with an example.
4)
What are the factors that influence time and space complexity.
5)
Write short notes on Escape sequences with examples.

12th Standard Computer Science English Medium Sample 3 Mark Creative Questions (New Syllabus) 2020 - by Question Bank Software - Sep 01, 2020 - View & Read

1)
Write an algorithm to check whether the entered number is even or odd.
2)
Write a note on Data Abstraction.
3)
How will you ensure the principle of data encapsulation in object - oriented programming?
4)
Write a pseudo code for Binary search
5)
Write a pseudo code for Insertion sort.

12th Standard Computer Science English Medium Sample 3 Mark Book Back Questions (New Syllabus) 2020 - by Question Bank Software - Sep 01, 2020 - View & Read

1)
What is the side effect of impure function. Give example.
2)
What are the different ways to access the elements of a list. Give example.
3)
Define Enclosed scope with an example.
4)
What are the factors that influence time and space complexity.
5)
Write short notes on Escape sequences with examples.

12th Standard Computer Science English Medium Important 3 Mark Creative Questions (New Syllabus) 2020 - by Question Bank Software - Sep 01, 2020 - View & Read

1)
Write an algorithm to check whether the entered number is even or odd.
2)
Write a note on Data Abstraction.
3)
How will you ensure the principle of data encapsulation in object - oriented programming?
4)
Write the different factors in which the time efficiency of an algorithm its measured
5)
What is dynamic programming? What are the steps involved in dynamic programming?

12th Standard Computer Science English Medium Important 3 Mark Book Back Questions (New Syllabus) 2020 - by Question Bank Software - Sep 01, 2020 - View & Read

1)
What is the side effect of impure function. Give example.
2)
What are the different ways to access the elements of a list. Give example.
3)
Define Enclosed scope with an example.
4)
Discuss about Algorithmic complexity and its types.
5)
What are the assignment operators that can be used in Python?

12th Standard Computer Science English Medium Model 2 Mark Creative Questions (New Syllabus) 2020 - by Question Bank Software - Aug 31, 2020 - View & Read

1)
Give an example of pure function.
2)
From the statement P1 : = Preson(), What does P1 and person referred.
3)
What is the use of LEGB rule?
4)
What is algorithmic solution?
5)
Write a note on Big omega asymptotic notation.

12th Standard Computer Science English Medium Model 2 Mark Book Back Questions (New Syllabus) 2020 - by Question Bank Software - Aug 31, 2020 - View & Read

1)
Write the inference you get from X : = (78).
2)
Differentiate constructors and selectors.
3)
What do you mean by Namespaces?
4)
Who is an Algorist?
5)
What is a literal? Explain the types of literals?

12th Standard Computer Science English Medium Sample 2 Mark Creative Questions (New Syllabus) 2020 - by Question Bank Software - Aug 31, 2020 - View & Read

1)
Give an example of function definition parameter with type.
2)
How the concrete level of data abstraction implemented?
3)
What is the use of LEGB rule?
4)
What in algorithmic strategy? Give an example.
5)
What are asymptotic notations?

12th Standard Computer Science English Medium Sample 2 Mark Book Back Questions (New Syllabus) 2020 - by Question Bank Software - Aug 31, 2020 - View & Read

1)
Write the inference you get from X : = (78).
2)
What is a Pair? Give an example.
3)
What is Mapping?
4)
What is Sorting?
5)
What is a literal? Explain the types of literals?

12th Standard Computer Science English Medium Important 2 Mark Creative Questions (New Syllabus) 2020 - by Question Bank Software - Aug 31, 2020 - View & Read

1)
Give an example of pure function.
2)
Write a pseudocode to depressant rational numbers using list.
3)
What is the use of LEGB rule?
4)
What in algorithmic strategy? Give an example.
5)
What are asymptotic notations?

12th Standard Computer Science English Medium Important 2 Mark Book Back Questions (New Syllabus) 2020 - by Question Bank Software - Aug 31, 2020 - View & Read

1)
Write the inference you get from X : = (78).
2)
What is Mapping?
3)
What is Sorting?
4)
Write short notes on Exponent data?
5)
Write note on range () in loop.

12th Standard Computer Science English Medium Model 1 Mark Creative Questions (New Syllabus) 2020 - by Question Bank Software - Aug 26, 2020 - View & Read

1)
The function definition is introduced by the keyword
2)
Explicitly_________the types can help with debugging.
3)
Which of the following is a type for objects whose behavior is defined by a set of value and a set of operations?
4)
Which of the following extract the information of the object?
5)
Which of the following defines a data abstraction by grouping related data items?

12th Standard Computer Science English Medium Model 1 Mark Book Back Questions (New Syllabus) 2020 - by Question Bank Software - Aug 26, 2020 - View & Read

1)
Which of the following defines what an object can do?
2)
Which of the following is a compound structure?
3)
Which of the following security technique that regulates who can use resources in a computing environment?
4)
Two main measures for the efficiency of an algorithm are
5)
Which of the following is not a stable sorting algorithm?

12th Standard Computer Science English Medium Sample 1 Mark Creative Questions (New Syllabus) 2020 - by Question Bank Software - Aug 26, 2020 - View & Read

1)
Which of the following are the values which are passed to a function definition?
2)
Which of the following is an example of impure function?
3)
A_________ combines the external interface with an implementation of the interface
4)
How many ways to implement an ADT?
5)
List can also be called as

12th Standard Computer Science English Medium Sample 1 Mark Book Back Questions (New Syllabus) 2020 - by Question Bank Software - Aug 26, 2020 - View & Read

1)
Which of the following is a unit of code that is often defined within a greater code structure?
2)
The data type whose representation is known are called
3)
Which of the following allow to name the various parts of a multi-item object?
4)
The process of subdividing a computer program into separate sub-programs is called
5)
Which of the following is not a stable sorting algorithm?

12th Standard Computer Science English Medium Important 1 Mark Creative Questions (New Syllabus) 2020 - by Question Bank Software - Aug 26, 2020 - View & Read

1)
Which of the following are the values which are passed to a function definition?
2)
A_________ combines the external interface with an implementation of the interface
3)
Which of the following is a type for objects whose behavior is defined by a set of value and a set of operations?
4)
Which of the following replicate how we think about the world?
5)
Which of the following is contracted by placing expressions within square brackets separated by commas?

12th Standard Computer Science English Medium Important 1 Mark Book Back Questions (New Syllabus) 2020 - by Question Bank Software - Aug 26, 2020 - View & Read

1)
Which of the following is a distinct syntactic block?
2)
Which of the following is a compound structure?
3)
Which of the following is used in programming languages to map the variable and object?
4)
Which of the following members of a class can be handled only from within the class?
5)
From the following sorting algorithms which has the lowest worst case complexity?

12th Standard Computer Science English Medium All Chapter Book Back and Creative One Mark Question 2020 - by Question Bank Software - Mar 09, 2020 - View & Read

1)
Which of the following is a unit of code that is often defined within a greater code structure?
2)
Which of the following carries out the instructions defined in the interface?
3)
In which type of function the return type is solely depends on its argument passed?
4)
Explicitly_________the types can help with debugging.
5)
Which of the following functions that build the abstract data type?

12th Standard Computer Science English Medium All Chapter Book Back and Creative Two Mark Question 2020 - by Question Bank Software - Mar 09, 2020 - View & Read

1)
What is a subroutine?
2)
Define Function with respect to Programming language.
3)
What is recursive function?
4)
Give an example of impure function.
5)
Differentiate constructors and selectors.

12th Standard Computer Science English Medium All Chapter Book Back and Creative Three Mark Question 2020 - by Question Bank Software - Mar 09, 2020 - View & Read

1)
What is the side effect of impure function. Give example.
2)
Differentiate pure and impure function.
3)
Explain the syntax of function definitions.
4)
Write an algorithm to check whether the entered number is even or odd.
5)
Which strategy is used for program designing? Define that Strategy.

12th Standard Computer Science English Medium All Chapter Book Back and Creative Five Mark Question 2020 - by Question Bank Software - Mar 09, 2020 - View & Read

1)
What are called Parameters and write a note on
(i) Parameter without Type
(ii) Parameter with Type
2)
Explain with an example interface and implementation.
3)
How will you facilitate data abstraction. Explain it with suitable example.
4)
How will you access the multi-item. Explain with example.
5)
Explain the representation of Abstract datatype using rational numbers.

12th Computer Science - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

1)
What is Data Visualization?
2)
List the general types of data visualization.
3)
List the types of Visualizations in Matplotlib.
4)
How will you install Matplotlib?
5)
Write the difference between the following functions: plt.plot([1,2,3,4]), plt.plot([1,2,3,4], [1,4,9,16]).

12th Computer Science - Data Manipulation Through SQL - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

1)
Mention the users who uses the Database.
2)
Which method is used to connect a database? Give an example.
3)
What is the advantage of declaring a column as “INTEGER PRIMARY KEY”
4)
Write the command to populate record in a table. Give an example.
5)
Which method is used to fetch all rows from the database table?

12th Computer Science - Importing C++ Programs in Python - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

1)
What is the theoretical difference between Scripting language and other programming language?
2)
Differentiate compiler and interpreter.
3)
Write the expansion of (i) SWIG (ii) MinGW
4)
What is the use of modules?
5)
What is the use of cd command. Give an example.

12th Computer Science - Python and CSV Files - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

1)
What is CSV File?
2)
Mention the two ways to read a CSV file using Python.
3)
Mention the default modes of the File.
4)
What is use of next() function?
5)
How will you sort more than one column from a csv file?Give an example statement.

12th Computer Science - Structured Query Language - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

1)
Write a query that selects all students whose age is less than 18 in order wise.
2)
Differentiate Unique and Primary Key constraint
3)
Write the difference between table constraint and column constraint?
4)
Which component of SQL lets insert values in tables and which lets to create a table?
5)
What is the difference between SQL and MYSQL?

12th Computer Science Database Concepts - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

1)
Mention few examples of a database.
2)
List some examples of RDBMS.
3)
What is data consistency?
4)
What is the difference between Hierarchical and Network data model?
5)
What is normalization?

12th Computer Science - Python Classes and Objects - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

1)
What is class?
2)
What is instantiation?
3)
What is the output of the following program?
Class Sample:
__num=10
def disp(self):
print(self.__num)
S=Sample()
S.disp()
print(S.__num)
4)
How will you create constructor in Python?
5)
What is the purpose of Destructor?

12th Computer Science Lists, Tuples, Sets and Dictionary - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

1)
What is List in Python?
2)
How will you access the list elements in reverse order?
3)
What will be the value of x in following python code?
List 1 = [2, 4, 6[1, 3, 5]]
x = len (List 1)
4)
Differentiate del with remove( ) function of List.
5)
Write the syntax of creating a Tuple with n number of elements.

12th Computer Science Strings and String Manipulations - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

1)
What is String?
2)
Do you modify a string in Python?
3)
How will you delete a string in Python?
4)
What will be the output of the following python code?
str1 = “School”
print(str1*3)
5)
What is slicing?

12th Computer Science Python Functions - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

1)
What is function?
2)
Write the different types of function.
3)
What are the main advantages of function?
4)
What is meant by scope of variable? Mention its types.
5)
Define global scope.

12th Computer Science Function - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

1)
What is a subroutine?
2)
Define Function with respect to Programming language.
3)
Write the inference you get from X : = (78).
4)
Differentiate interface and implementation.
5)
Which of the following is a normal function definition and which is recursive function definition
i) let rec sum x y:
return x + y
ii) let disp:
print ‘welcome’
iii) let rec sum num:
if (num!=0) then return num + sum (num-1)
else
return num

12th Computer Science - Full Portion Five Marks Questions - by 8682895000 - Jan 20, 2020 - View & Read

1)
Identify in the following program

let rec gcd a b:=
if b <> 0 then gcd b (a mod b) else return a:

i) Name of the function
ii) Identify the statement which tells it is a recursive function
iii) Name of the argument variable
iv) Statement which invoke the function recursively
v) Statement which terminates the recursion
2)
Explain with example Pure and impure functions.
3)
What is a List? Why List can be called as Pairs. Explain with suitable example.
4)
Explain the representation of Abstract datatype using rational numbers.
5)
Write any five benefits in using modular programming.

12th Computer Science - Full Portion Three Marks Question Paper - by 8682895000 - Jan 20, 2020 - View & Read

1)
Why strlen is called pure function?
2)
Wha happens if you modify a variable outside the function? Give an example.
3)
Explain the syntax of function definitions.
4)
Which strategy is used for program designing? Define that Strategy.
5)
What are the different ways to access the elements of a list. Give example.

12th Computer Science - Full Portion Two Marks Question Paper - by 8682895000 - Jan 20, 2020 - View & Read

1)
Define Function with respect to Programming language.
2)
Differentiate interface and implementation.
3)
Differentiate constructors and selectors.
4)
What is a List? Give an example.
5)
What is Mapping?

12th Computer Science - Public Exam Model Question Paper 2019 - 2020 - by Question Bank Software - Jan 17, 2020 - View & Read

1)
In object oriented programs, how the object is processed and executed is__________
2)
Which of the following allow to name the various parts of a multi-item object?
3)
Fill up the blank in assign a variable with________to an object.
4)
Time complexity of bubble sort in best case is
5)
The program segment' executed based on the test of the condition are called _______

12th Computer Science - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

1)
To install matplotlib, the following function will be typed in your command prompt. What does “-U”represents?
Python –m pip install –U pip
2)
Read the code:
a. import matplotlib.pyplot as plt
b. plt.plot(3,2)
c. plt.show()
Identify the output for the above coding
3)
Which kind of data encoded visually communicate a quantitative message
4)
The numerical data is encoded using
5)
Which of the following is a management software for installing python package?

12th Computer Science - Data Manipulation Through SQL Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

1)
Which of the following executes the SQL command to perform some action?
2)
Which of the following function retrieves the average of a selected column of rows in a table?
3)
The most commonly used statement in SQL is
4)
Which method has a major role in working with python?
5)
Which of the following statement in SQL is used to retrieve or fetch data from a table in a database?

12th Computer Science - Importing C++ Programs in Python Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

1)
Which of the following is a software design technique to split your code into separate parts?
2)
The module which allows you to interface with the Windows operating system is
3)
Which of the following is not a compiled statically typed language?
4)
Which of the following is a scripting language?
5)
Which of the following interface used for interfacing with C programs?

12th Computer Science - Python and CSV Files Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

1)
The command used to skip a row in a CSV file is
2)
Which of the following is a string used to terminate lines produced by writer()method of csv module?
3)
Making some changes in the data of the existing file or adding more data is called
4)
Which of the following can protect if the data itself contains commas in CSV file?
5)
Fields containing line breaks denoted by

12th Computer Science - Structured Query Language Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

1)
Which commands provide definitions for creating table structure, deleting relations, and modifying relation schemas.
2)
The clause used to sort data in a database
3)
Which of the following is a collection of data entries?
4)
Which component of SQL includes commands to insert, delete and modify tables in database?
5)
TCL stands for

12th Computer Science - Database Concepts Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

1)
Which of the following is an RDBMS?
2)
What symbol is used for SELECT statement?
3)
Which of the following is an organized collection of data, which can be stared and a cersed through computer system
4)
Which of the following can be a software or hardware based, with one sole purpose of storiing data?
5)
Which of the following divides the data in such a way that repetition of data is minimum in the database?

12th Computer Science - Python Classes and Objects Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

1)
Functions defined inside a class:
2)
Which of the following is the private class variable?
3)
Which of the following called as instances of a class or class variable?
4)
Which of the operator used to accessing members of the class?
5)
Which position of the argument named self in python class method?

12th Computer Science - Lists, Tuples, Sets and Dictionary Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

1)
If List=[17,23,41,10] then List.append(32) will result
2)
Which of the following Python function can be used to add more than one element within an existing list?
3)
The keys in Python, dictionary is specified by
4)
In list, the negative index number begin with
5)
Which of the following operator can be used to alter the range of elements in the list?

12th Computer Science - Strings and String Manipulations Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

1)
Defining strings within triple quotes allows creating:
2)
Strings in python:
3)
Which of the following formatting character is used to print exponential notation in upper case?
4)
String index values are also called as
5)
Which of the following is used to access and manipulate the strings

12th Computer Science - Python Functions Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

1)
While defining a function which of the following symbol is used.
2)
In which arguments the correct positional order is passed to a function?
3)
Which of the following keyword is used to define the function testpython(): ?
4)
Which of the following provides better modularity for your python application
5)
Which of the following statement exits a function?

12th Computer Science - Control Structures Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

1)
The condition in the if statement should be in the form of
2)
Which of the following is known as definite loop?
3)
The following statements is an example of
Print ("ONE")
Print ("Four")
4)
What can be learned through alternative or branching statement?
5)
How many types of alternative or branching statements does python provides?

12th Computer Science - Python - Variables and Operators Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

1)
Which of the following is not a token?
2)
Which operator is also called as Comparative operator?
3)
Which of the following is not Logical operator?
4)
In Python, How many ways programs can be written?
5)
In Python, the script mode programs can be stored with the extension.

12th Computer Science - Algorithmic Strategies Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

1)
From the following sorting algorithms which algorithm needs the minimum number of swaps?
2)
Which of the following is not a stable sorting algorithm?
3)
Time complexity of bubble sort in best case is
4)
Which of the following is not an example of data structures?
5)
Which of the following is an example of data structures?

12th Computer Science - Scoping Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

1)
Which scope refers to variables defined in current function?
2)
The process of subdividing a computer program into separate sub-programs is called
3)
Which of the following members of a class can be handled only from within the class?
4)
Which of the following keeps track of all these mappings with namespaces?
5)
How the names are mapped with objects in programming language?

12th Computer Science - Data Abstraction Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

1)
Which of the following functions that retrieve information from the data type?
2)
Which of the following allow to name the various parts of a multi-item object?
3)
Which of the following is constructed by placing expressions within square brackets?
4)
The process of providing only the essentials and hiding the details is known as
5)
To facilitate data abstraction, How many types of functions are created?

12th Computer Science - Function Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

1)
Which of the following is a unit of code that is often defined within a greater code structure?
2)
Which of the following are mandatory to write the type annotations in the function definition?
3)
Which of the following carries out the instructions defined in the interface?
4)
The function definition is introduced by the keyword
5)
The recursive function is defined using the keyword

12th Computer Science - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart Model Question Paper - by Question Bank Software - Dec 03, 2019 - View & Read

1)
Identify the package manager for Python packages, or modules.
2)
To install matplotlib, the following function will be typed in your command prompt. What does “-U”represents?
Python –m pip install –U pip
3)
Read the code:
a. import matplotlib.pyplot as plt
b. plt.plot(3,2)
c. plt.show()
Identify the output for the above coding
4)
Which of the following is the representation of information in a graphic format?
5)
Which of the following is a collection of resources assembled to create a single unified visual display?

12th Computer Science - Data Manipulation Through SQL Model Question Paper - by Question Bank Software - Dec 03, 2019 - View & Read

1)
SQLite falls under which database system?
2)
Which of the following is a control structure used to traverse and fetch the records of the database?
3)
The SQlite command opens the already created database is
4)
Which sqlite method is used to fetch all rows from the database table?
5)
Which SQlite keyword is used to extract only those records that fulfill a specified condition?

12th Computer Science - Importing C++ Programs in Python Model Question Paper - by Question Bank Software - Dec 03, 2019 - View & Read

1)
Which of the following is not a scripting language?
2)
The module which allows you to interface with the Windows operating system is
3)
getopt() will return an empty array if there is no error in splitting strings to
4)
Which of the following is not general purpose language?
5)
Which of the following is not a compiled statically typed language?

12th Computer Science - Python and CSV Files Model Question Paper - by Question Bank Software - Dec 03, 2019 - View & Read

1)
A CSV file is also known as a ….
2)
Which of the following is a string used to terminate lines produced by writer()method of csv module?
3)
CSV means
4)
Which of the following built-in function Python has to open a file?
5)
While reading CSV file in text mode, the data would be in the format

12th Computer Science - Structured Query Language Model Question Paper - by Question Bank Software - Dec 03, 2019 - View & Read

1)
Which command lets to change the structure of the table?
2)
The command to delete a table including the structure is
3)
Which of the following is a standard programming language to access and manipulate database?
4)
Which of the following is a collection of data entries?
5)
Which of the following processing skills of SQL provides commands for defining relation schemes?

12th Computer Science - Database Concepts Model Question Paper - by Question Bank Software - Dec 03, 2019 - View & Read

1)
Who is called Father of Relational Database from the following?
2)
Which of the following is an RDBMS?
3)
Who developed ER model?
4)
Which of the following a data contain?
5)
In which of the following data organized in a way that, it can be easily accessed, managed and updated?

12th Computer Science - Python Classes and Objects Model Question Paper - by Question Bank Software - Dec 03, 2019 - View & Read

1)
A private class variable is prefixed with
2)
Which of the following method is used as destructor?
3)
Which of the following is the private class variable?
4)
Functions of the class are called as
5)
Which of the following is valid syntax for crating objects?

12th Computer Science - Lists, Tuples, Sets and Dictionary Model Question Paper - by Question Bank Software - Dec 03, 2019 - View & Read

1)
Which of the following function is used to count the number of elements in a list?
2)
What is the use of type() function in python?
3)
Which of the following set operation includes all the elements that are in two sets but not the one that are common to two sets?
4)
In list, the negative index number begin with
5)
a = ['A', 2, 3, [4,5,6]] is an example of

12th Computer Science - Strings and String Manipulations Model Question Paper - by Question Bank Software - Dec 03, 2019 - View & Read

1)
Strings in python:
2)
Which of the following is the slicing operator?
3)
Which of the following is used as placeholders or replacement fields which get replaced along with format( ) function?
4)
String index values are also called as
5)
Which of the following is used to access and manipulate the strings

12th Computer Science - Python Functions Model Question Paper - by Question Bank Software - Dec 03, 2019 - View & Read

1)
Which of the following keyword is used to define the function testpython(): ?
2)
What will be the output if the return has no argument?
3)
Non-keyword variable arguments are called
4)
Which of the following statement causes your function to exit?
5)
A with local scope can be accessed only within the block

12th Computer Science - Control Structures Model Question Paper - by Question Bank Software - Dec 03, 2019 - View & Read

1)
The condition in the if statement should be in the form of
2)
Which of the following is known as definite loop?
3)
Which amongst this is not a jump statement?
4)
Which of the following is used to alter the control flow of the process depending on the state of the process?
5)
How many important control structures in python?

12th Computer Science - Python - Variables and Operators Model Question Paper - by Question Bank Software - Nov 27, 2019 - View & Read

1)
The Python prompt indicates that Interpreter is ready to accept instruction.
2)
Which of the following is not a Keyword in Python?
3)
Which of the following is not Logical operator?
4)
In Python, How many ways programs can be written?
5)
In Python, the script mode programs can be stored with the extension.

12th Computer Science - Algorithmic Strategies Model Question Paper - by Question Bank Software - Nov 27, 2019 - View & Read

1)
The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?
2)
The Θ notation in asymptotic evaluation represents
3)
If a problem can be broken into subproblems which are reused several times, the problem possesses which property?
4)
Which of the following is not a characteristic of an algorithm?
5)
Which of the following is not an example of data structures?

12th Computer Science - Scoping Model Question Paper - by Question Bank Software - Nov 27, 2019 - View & Read

1)
The process of binding a variable name with an object is called
2)
Which of the following security technique that regulates who can use resources in a computing environment?
3)
Which members are accessible from outside the class?
4)
Which of the following keeps track of all these mappings with namespaces?
5)
Which of the following rule is used to decide the order in which the scopes are to be searched for scope resolution?

12th Computer Science - Data Abstraction Important Questions - by Question Bank Software - Nov 21, 2019 - View & Read

1)
Which of the following functions that build the abstract data type?
2)
Which of the following functions that retrieve information from the data type?
3)
Which of the following allow to name the various parts of a multi-item object?
4)
Which of the following is constructed by placing expressions within square brackets?
5)
ADT expansion is

12th Computer Science - Function Important Questions - by Question Bank Software - Nov 21, 2019 - View & Read

1)
The small sections of code that are used to perform a particular task is called
2)
Which of the following are mandatory to write the type annotations in the function definition?
3)
Which of the following carries out the instructions defined in the interface?
4)
The functions which will give exact result when same arguments are passed are called
5)
The functions which cause side effects to the arguments passed are called

12th Computer Science - Half Yearly Model Question Paper - 2019 - by Question Bank Software - Nov 12, 2019 - View & Read

1)
Which of the following is a unit of code that is often defined within a greater code structure?
2)
CDT expansion is
3)
Which of the following variable can be accessed inside or outside of all the functions in a program?
4)
Time complexity of bubble sort in best case is
5)
Find the odd man out

12th Standard Computer Science - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart Model Question Paper - by Beula - Ramanathapuram - Nov 01, 2019 - View & Read

1)
Which is a python package used for 2D graphics?
2)
Which key is used to run the module?
3)
Which kind of data encoded visually communicate a quantitative message
4)
Which of the following is not a type of Data Visualization?
5)
Which of the following is a collection of resources assembled to create a single unified visual display?

12th Computer Science - Data Manipulation Through SQL Model Question Paper - by Beula - Ramanathapuram - Nov 01, 2019 - View & Read

1)
Which of the following is an organized collection of data?
2)
Which of the following executes the SQL command to perform some action?
3)
The function that returns the largest value of the selected column is
4)
Which of the following clause avoide the duplicate?
5)
Which method is SQlite is used create a connection with a database file created?

12th Computer Science - Importing C++ Programs in Python Model Question Paper - by Beula - Ramanathapuram - Nov 01, 2019 - View & Read

1)
Which of the following is not a scripting language?
2)
The expansion of API is
3)
The module which allows you to interface with the Windows operating system is
4)
What does __name__ contains?
5)
Which of the following is not a compiled statically typed language?

12th Standard Computer Science - Python and CSV Files Model Question Paper - by Beula - Ramanathapuram - Oct 31, 2019 - View & Read

1)
A CSV file is also known as a ….
2)
Which of the following module is provided by Python to do several operations on the CSV files?
3)
Which of the following is a string used to terminate lines produced by writer()method of csv module?
4)
Which of the following creates an object which maps data to a dictionary?
5)
Making some changes in the data of the existing file or adding more data is called

12th Standard Computer Science - Structured Query Language (SQL) Model Question Paper - by Beula - Ramanathapuram - Oct 31, 2019 - View & Read

1)
Which commands provide definitions for creating table structure, deleting relations, and modifying relation schemas.
2)
Which command lets to change the structure of the table?
3)
The clause used to sort data in a database
4)
Which of the following language was designed for managing and accessing data in RDBMS?
5)
The specific related information about every record in the table is maintained by

12th Computer Science - Term II Model Question Paper - by Beula - Ramanathapuram - Oct 29, 2019 - View & Read

1)
The small sections of code that are used to perform a particular task is called
2)
A sequence of immutable objects is called
3)
Which of the following is used in programming languages to map the variable and object?
4)
The Θ notation in asymptotic evaluation represents
5)
Which of the following is not a Keyword in Python?

12th Standard Computer Science - Database Concepts Model Question Paper - by Beula - Ramanathapuram - Oct 19, 2019 - View & Read

1)
What is the acronym of DBMS?
2)
What type of relationship does hierarchical model represents?
3)
Which of the following is an RDBMS?
4)
A tuple is also known as
5)
Who developed ER model?

12th Computer Science - Python Classes and Objects Model Question Paper - by Beula - Ramanathapuram - Oct 19, 2019 - View & Read

1)
Functions defined inside a class:
2)
Which of the following method is automatically executed when an object is created?
3)
Which of the following class declaration is correct?
4)
The process of creating an object is called as:
5)
Which of the following is not an object oriented language?

12th Computer Science - Lists, Tuples, Sets and Dictionary Model Question Paper - by Beula - Ramanathapuram - Oct 16, 2019 - View & Read

1)
Pick odd one in connection with collection data type
2)
Let list1=[2,4,6,8,10], then print(List1[-2]) will result in
3)
If List=[17,23,41,10] then List.append(32) will result
4)
What will be the result of the following Python code?
S=[x**2 for x in range(5)]
print(S)
5)
Which of the following set operation includes all the elements that are in two sets but not the one that are common to two sets?

12th Standard Computer Science - Strings and String Manipulations Model Question Paper - by Beula - Ramanathapuram - Oct 16, 2019 - View & Read

1)
What will be the output of the following code?
str1 = "Chennai Schools"
str1[7] = "-"
2)
Which of the following is the slicing operator?
3)
Which of the following formatting character is used to print exponential notation in upper case?
4)
Which of the following is used as placeholders or replacement fields which get replaced along with format( ) function?
5)
The subscript of a string may be:

12th Standard Computer Science - Python Functions Three and Five Marks Questions - by Question Bank Software - Oct 14, 2019 - View & Read

1)
Write the rules of local variable.
2)
What happens when we modify global variable inside the function?
3)
Differentiate ceil() and floor() function?
4)
How recursive function works?
5)
What are the points to be noted while defining a function?

12th Standard Computer Science - Strings and String Manipulations Three and Five Marks Questions - by Question Bank Software - Oct 14, 2019 - View & Read

1)
Write a Python program to display the given pattern
C O M P U T E R
C O M P U T E
C O M P U T
C O M P U
C O M P
C O M
C O
C
2)
Write a short about the followings with suitable example:
(a) capitalize( )
(b) swapcase( )
3)
What will be the output of the given python program?
str1 = "welcome"
str2 = "to school"
str3 = str1[:2] + str2[len(str2)-2:]
print (str3)
4)
What is the use of format( )? Give an example.
5)
Write a note about count( ) function in python.

12th Standard Computer Science - Lists, Tuples, Sets and Dictionary Three and Five Marks Questions - by Question Bank Software - Oct 14, 2019 - View & Read

1)
What are the difference between list and Tuples?
2)
What will be the output of the following code?
list = [2**x for x in range(5)]
print (list)
3)
Explain the difference between del and clear( ) in dictionary with an example.
4)
List out the set operations supported by python.
5)
What are the difference between List and Dictionary?

12th Standard Computer Science - Python Classes and Objects Three and Five Marks Questions - by Question Bank Software - Oct 14, 2019 - View & Read

1)
What are class members? How do you define it?
2)
Write a class with two private class variables and print the sum using a method.
3)
Find the error in the following program to get the given output?
class Fruits:
def __init__(self, f1, f2):
self.f1 = f1
self.f2 = f2
def display(self):
print("Fruit 1 = %s, Fruit 2 = %s" %(self.f1, self.f2))
F = Fruits ('Apple', 'Mango')
del F.display
F.display()
Output: Fruit 1 = Apple, Fruit 2 = Mango
4)
What is the output of the following program?
class Greeting:
def __init__(self, name):
self.__name = name
def display(self):
print("Good Morning ", self.__name)
obj=Greeting ('Bindu Madhavan')
obj.display()
5)
How to define constructor and destructor in Python?

12th Standard Computer Science - Database Concepts Three and Five Marks Questions - by Question Bank Software - Oct 14, 2019 - View & Read

1)
What is the difference between Select and Project command?
2)
What is the role of DBA?
3)
Explain Cartesian Product with a suitable example.
4)
Explain Object Model with example.
5)
Write a note on different types of DBMS users.

12th Computer Science - Structured Query Language Three and Five Marks Questions - by Question Bank Software - Oct 14, 2019 - View & Read

1)
What is a constraint? Write short note on Primary key constraint.
2)
Write a SQL statement to modify the student table structure by adding a new field.
3)
Write any three DDL commands.
4)
Write the use of Savepoint command with an example.
5)
Write a SQL statement using DISTINCT keyword.

12th Computer Science - Python and CSV Files Three and Five Marks Questions - by Question Bank Software - Oct 14, 2019 - View & Read

1)
Write a note on open() function of python. What is the difference between the two methods?
2)
Write a Python program to modify an existing file.
3)
Write a Python program to read a CSV file with default delimiter comma (,).
4)
What is the difference between the write mode and append mode.
5)
What is the difference between reader() and DictReader() function?

12th Computer Science - Importing C++ Programs in Python Three and Five Marks Questions - by Question Bank Software - Oct 14, 2019 - View & Read

1)
Differentiate PYTHON and C++.
2)
What are the applications of scripting language?
3)
What is MinGW? What is its use?
4)
Identify the module, operator, definition name for the following
welcome.display().
5)
What is sys.argv? What does it contain?

12th Computer Science - Data Manipulation Through SQL Three and Five Marks Questions - by Question Bank Software - Oct 14, 2019 - View & Read

1)
What is SQLite?What is it advantage?
2)
Mention the difference between fetchone() and fetchmany()
3)
What is the use of Where Clause.Give a python statement Using the where clause.
4)
Read the following details. Based on that write a python script to display department wise records
database name:- organization.db
Table name:- Employee
Columns in the table:- Eno, EmpName, Esal, Dept
5)
Read the following details.Based on that write a python script to display records in desending order of
Eno
database name :- organization.db
Table name :- Employee
Columns in the table :- Eno, EmpName, Esal, Dept

12th Computer Science - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart Three and Five Marks Questions - by Question Bank Software - Oct 14, 2019 - View & Read

1)
Draw the output for the following data visualization plot.
import matplotlib.pyplot as plt
plt.bar([1,3,5,7,9],[5,2,7,8,2], label="Example one")
plt.bar([2,4,6,8,10],[8,6,2,5,6], label="Example two", color='g')
plt.legend()
plt.xlabel('bar number')
plt.ylabel('bar height')
plt.title('Epic Graph in Another Line! Whoa')
plt.show()
2)
Write any three uses of data visualization.
3)
Write the coding for the following:
a. To check if PIP is Installed in your PC.
b. To Check the version of PIP installed in your PC.
c. To list the packages in matplotlib.
4)
Write the plot for the following pie chart output.
5)
Write a python code to display the following plot.

12th Computer Science - Control Structures 3 Marks and 5 Marks Questions - by Question Bank Software - Oct 10, 2019 - View & Read

1)
Write a program to display
A
A B
A B C
A B C D
A B C D E
2)
Write note on if..else structure.
3)
Using if..else..elif statement write a suitable programs to display largest of 3 numbers.
4)
Write the syntax of while loop.
5)
List the differences between break and continue statements.

12th Standard Computer Science - Control Structures Model Question Paper - by Beula - Ramanathapuram - Oct 09, 2019 - View & Read

1)
How many important control structures are there in Python?
2)
Which of the following is known as definite loop?
3)
What is the output of the following snippet?
T=1
while T:
print(True)
break
4)
Which amongst this is not a jump statement?
5)
Find the odd man out.

12th Standard Computer Science - Python - Variables and Operators Model Question Paper - by Beula - Ramanathapuram - Oct 09, 2019 - View & Read

1)
Who developed Python?
2)
Which of the following is not a token?
3)
Which operator is also called as Comparative operator?
4)
Which of the following is not Logical operator?
5)
Which operator is also called as Conditional operator?

12th Standard Computer Science - Algorithmic Strategies Model Question Paper - by Beula - Ramanathapuram - Oct 01, 2019 - View & Read

1)
The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?
2)
Two main measures for the efficiency of an algorithm are
3)
From the following sorting algorithms which has the lowest worst case complexity?
4)
Time complexity of bubble sort in best case is
5)
In dynamic programming, the technique of storing the previously calculated values is called ?

12th Standard Computer Science - Scoping Model Question Paper - by Beula - Ramanathapuram - Oct 01, 2019 - View & Read

1)
Which of the following refers to the visibility of variablesin one part of a program to another part of the same program.
2)
Which of the following security technique that regulates who can use resources in a computing environment?
3)
Which of the following members of a class can be handled only from within the class?
4)
The members that are accessible from within the class and are also available to its sub classes is called
5)
How many variables can be mapped to the same instance?

Class 12th Computer Science - Scoping 3 Marks and 5 Marks Questions - by Question Bank Software - Oct 01, 2019 - View & Read

1)
Define Local scope with an example.
2)
Define Global scope with an example.
3)
Define Enclosed scope with an example.
4)
Why access control is required?
5)
Identify the scope of the variables in the following pseudo code and write its output
color:= 'Red'
mycolor( ):
b:='Blue'
myfavcolor( ):
g:='Green'
printcolor, b, g
myfavcolor( )
printcolor, b
mycolor( )
print color

12th Computer Science - Algorithmic Strategies 3 Marks and 5 Marks Questions - by Question Bank Software - Oct 01, 2019 - View & Read

1)
List the characteristics of an algorithm.
2)
Discuss about Algorithmic complexity and its types.
3)
What are the factors that influence time and space complexity.
4)
Write a note on Asymptotic notation.
5)
What do you understand by Dynamic programming?

12th Computer Science - Python - Variables and Operators 3 Marks and 5 Marks Questions - by Question Bank Software - Oct 01, 2019 - View & Read

1)
Write short notes on Arithmetic operator with examples.
2)
What are the assignment operators that can be used in Python?
3)
Explain Ternary operator with examples.
4)
Write short notes on Escape sequences with examples.
5)
What are string literals? Explain.

12th Computer Science - Data Abstraction 3 Marks and 5 Marks Questions - by Question Bank Software - Oct 01, 2019 - View & Read

1)
Differentiate Concrete data type and abstract datatype.
2)
Which strategy is used for program designing? Define that Strategy.
3)
Identify Which of the following are constructors and selectors?
(a) N1:=number()
(b) accetnum (n1)
(c) displaynum (n1)
(d) eval (a/b)
(e) x,y:= make slope (m), make slope (n)
(f) display()
4)
What are the different ways to access the elements of a list. Give example.
5)
Identify Which of the following are List, Tuple and class ?
(a) arr [1, 2, 34]
(b) arr (1, 2, 34)
(c) student [rno, name, mark]
(d) day= (‘sun’, ‘mon’, ‘tue’, ‘wed’)
(e) x= [2, 5, 6.5, [5, 6], 8.2]
(f) employee [eno, ename, esal, eaddress]

12th Computer Science - Function 3 Marks and 5 Marks Questions - by Question Bank Software - Oct 01, 2019 - View & Read

1)
Mention the characteristics of Interface.
2)
Why strlen is called pure function?
3)
What is the side effect of impure function. Give example.
4)
Differentiate pure and impure function.
5)
Wha happens if you modify a variable outside the function? Give an example.

Class 12th Computer Science - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart Two Marks Questions - by Question Bank Software - Sep 27, 2019 - View & Read

1)
What is Data Visualization?
2)
List the general types of data visualization.
3)
List the types of Visualizations in Matplotlib.
4)
How will you install Matplotlib?
5)
Write the difference between the following functions: plt.plot([1,2,3,4]), plt.plot([1,2,3,4], [1,4,9,16]).

Class 12th Computer Science - Data Manipulation Through SQL Two Marks Questions - by Question Bank Software - Sep 27, 2019 - View & Read

1)
Mention the users who uses the Database.
2)
Which method is used to connect a database? Give an example.
3)
What is the advantage of declaring a column as “INTEGER PRIMARY KEY”
4)
Write the command to populate record in a table. Give an example.
5)
Which method is used to fetch all rows from the database table?

Class 12th Computer Science - Importing C++ Programs in Python Two Marks Questions - by Question Bank Software - Sep 27, 2019 - View & Read

1)
What is the theoretical difference between Scripting language and other programming language?
2)
Differentiate compiler and interpreter.
3)
Write the expansion of (i) SWIG (ii) MinGW
4)
What is the use of modules?
5)
What is the use of cd command. Give an example.

Class 12th Computer Science - Python and CSV Files Two Marks Questions - by Question Bank Software - Sep 27, 2019 - View & Read

1)
What is CSV File?
2)
Mention the two ways to read a CSV file using Python.
3)
Mention the default modes of the File.
4)
What is use of next() function?
5)
How will you sort more than one column from a csv file?Give an example statement.

Class 12th Computer Science - Structured Query Language Two Marks Questions - by Question Bank Software - Sep 27, 2019 - View & Read

1)
Write a query that selects all students whose age is less than 18 in order wise.
2)
Differentiate Unique and Primary Key constraint
3)
Write the difference between table constraint and column constraint?
4)
Which component of SQL lets insert values in tables and which lets to create a table?
5)
What is the difference between SQL and MYSQL?

Class 12th Computer Science - Database Concepts Two Marks Questions - by Question Bank Software - Sep 27, 2019 - View & Read

1)
Mention few examples of a database.
2)
List some examples of RDBMS.
3)
What is data consistency?
4)
What is the difference between Hierarchical and Network data model?
5)
What is normalization?

12th Computer Science - Python Classes and Objects Two Marks Questions - by Question Bank Software - Sep 27, 2019 - View & Read

1)
What is class?
2)
What is instantiation?
3)
What is the output of the following program?
Class Sample:
__num=10
def disp(self):
print(self.__num)
S=Sample()
S.disp()
print(S.__num)
4)
How will you create constructor in Python?
5)
What is the purpose of Destructor?

12th Computer Science - Lists, Tuples, Sets and Dictionary Two Marks Questions - by Question Bank Software - Sep 27, 2019 - View & Read

1)
What is List in Python?
2)
How will you access the list elements in reverse order?
3)
What will be the value of x in following python code?
List 1 = [2, 4, 6[1, 3, 5]]
x = len (List 1)
4)
Differentiate del with remove( ) function of List.
5)
Write the syntax of creating a Tuple with n number of elements.

12th Standard Computer Science - Data Abstraction Model Question Paper - by Beula - Ramanathapuram - Sep 27, 2019 - View & Read

1)
Which of the following functions that build the abstract data type?
2)
A sequence of immutable objects is called
3)
Which of the following is a compound structure?
4)
Which of the following is constructed by placing expressions within square brackets?
5)
Which of the following provides modularity?

12th Standard Computer Science - Function Model Question Paper - by Beula - Ramanathapuram - Sep 27, 2019 - View & Read

1)
The small sections of code that are used to perform a particular task is called
2)
Which of the following are mandatory to write the type annotations in the function definition?
3)
Which of the following carries out the instructions defined in the interface?
4)
The functions which cause side effects to the arguments passed are called
5)
Which of the following contains a set a code that works an many kinds of input and produces a concrete output?

12th Computer Science - Term 1 Model Question Paper - by Beula - Ramanathapuram - Sep 21, 2019 - View & Read

1)
Which of the following is a distinct syntactic block?
2)
Which of the following functions that build the abstract data type?
3)
Which scope refers to variables defined in current function?
4)
The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?
5)
This symbol is used to print more than one item on a single line.

12th Computer Science - Strings and String Manipulations Two Marks Question - by Question Bank Software - Sep 19, 2019 - View & Read

1)
What is String?
2)
Do you modify a string in Python?
3)
How will you delete a string in Python?
4)
What will be the output of the following python code?
str1 = “School”
print(str1*3)
5)
What is slicing?

12th Computer Science - Python Functions Two Marks Question - by Question Bank Software - Sep 19, 2019 - View & Read

1)
What is function?
2)
Write the different types of function.
3)
What are the main advantages of function?
4)
What is meant by scope of variable? Mention its types.
5)
Define global scope.

12th Computer Science - Control Structures Two Marks Question - by Question Bank Software - Sep 19, 2019 - View & Read

1)
List the control structures in Python.
2)
Write note on break statement.
3)
Write is the syntax of if..else statement.
4)
Define control structure.
5)
Write note on range () in loop.

12th Computer Science - Python -Variables and Operators Two Marks Question - by Question Bank Software - Sep 19, 2019 - View & Read

1)
What are the different modes that can be used to test Python Program?
2)
Write short notes on Tokens.
3)
What are the different operators that can be used in Python?
4)
What is a literal? Explain the types of literals?
5)
Write short notes on Exponent data?

12th Computer Science - Term 1 Five Mark Model Question Paper - by Question Bank Software - Sep 16, 2019 - View & Read

1)
Explain with example Pure and impure functions.
2)
What is a List? Why List can be called as Pairs. Explain with suitable example.
3)
Write any Five Characteristics of Modules.
4)
Explain the characteristics of an algorithm.
5)
Explain input() and print() functions with examples.

12th Computer Science - Algorithmic Strategies Two Marks Questions - by Question Bank Software - Sep 16, 2019 - View & Read

1)
What is an Algorithm?
2)
Define Pseudo code.
3)
Who is an Algorist?
4)
What is Sorting?
5)
What is searching? Write its types.

12th Computer Science - Scoping Two Marks Questions - by Question Bank Software - Sep 16, 2019 - View & Read

1)
What is a scope?
2)
Why scope should be used for variable. State the reason.
3)
What do you mean by Namespaces?
4)
How Python represents the private and protected Access specifiers?
5)
Define variable.

12th Computer Science - Data Abstraction Two Marks Questions - by Question Bank Software - Sep 16, 2019 - View & Read

1)
What is abstract data type?
2)
Differentiate constructors and selectors.
3)
What is a Pair? Give an example.
4)
What is a List? Give an example.
5)
What is a Tuple? Give an example.

12th Computer Science - Function Two Marks Questions - by Question Bank Software - Sep 16, 2019 - View & Read

1)
What is a subroutine?
2)
Define Function with respect to Programming language.
3)
Write the inference you get from X : = (78).
4)
Differentiate interface and implementation.
5)
Which of the following is a normal function definition and which is recursive function definition
i) let rec sum x y:
return x + y
ii) let disp:
print ‘welcome’
iii) let rec sum num:
if (num!=0) then return num + sum (num-1)
else
return num

12th Computer Science - Quarterly Model Question Paper - by Question Bank Software - Sep 13, 2019 - View & Read

1)
Which of the following is a unit of code that is often defined within a greater code structure?
2)
The function definition is introduced by the keyword
3)
The data type whose representation is known are called
4)
Which of the following are functions that build the abstract datatypet?
5)
Which of the following members of a class can be handled only from within the class?

TN 12th Standard Computer Science Official Model Question Paper 2019 - 2020 - by Question Bank Software - Sep 10, 2019 - View & Read

12th Computer Science Unit 16 Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart Book Back Questions - by Question Bank Software - Sep 07, 2019 - View & Read

1)
Which is a python package used for 2D graphics?
2)
Read the following code: Identify the purpose of this code and choose the right option from the following.
C:\Users\YourName\AppData\Local\Programs\Python\Python36-32\Scripts>pip –version
3)
Read the following code: Identify the purpose of this code and choose the right option from the following.
C:\Users\Your Name\AppData\Local\Programs\Python\Python36-32\Scripts>pip list
4)
Read the code:
a. import matplotlib.pyplot as plt
b. plt.plot(3,2)
c. plt.show()
Identify the output for the above coding
5)
Identify the right type of chart using the following hints.
Hint 1: This chart is often used to visualize a trend in data over intervals of time.
Hint 2: The line in this type of chart is often drawn chronologically.

12th Computer Science Chapter 15 Data Manipulation Through SQL Book Back Questions - by Question Bank Software - Sep 07, 2019 - View & Read

1)
Which of the following function retrieves the average of a selected column of rows in a table?
2)
The function that returns the largest value of the selected column is
3)
Which of the following is called the master table?
4)
The most commonly used statement in SQL is
5)
Which of the following clause avoide the duplicate?

12th Computer Science - Importing C++ Programs in Python Book Back Questions - by Question Bank Software - Sep 07, 2019 - View & Read

1)
Which of the following is not a scripting language?
2)
The module which allows you to interface with the Windows operating system is
3)
getopt() will return an empty array if there is no error in splitting strings to
4)
Which of the following can be used for processing text, numbers, images, and scientific data?
5)
What does __name__ contains?

12th Computer Science - Python and CSV Files Book Back Questions - by Question Bank Software - Sep 07, 2019 - View & Read

1)
A CSV file is also known as a ….
2)
Which of the following is a string used to terminate lines produced by writer()method of csv module?
3)
What is the output of the following program? import csv
d=csv.reader(open('c:\PYPRG\ch13\city.csv'))
next(d)
for row in d:
print(row)
if the file called “city.csv” contain the following details
chennai,mylapore
mumbai,andheri
4)
Which of the following creates an object which maps data to a dictionary?
5)
Making some changes in the data of the existing file or adding more data is called

12th Computer Science - Structured Query Language Book Back Questions - by Question Bank Software - Sep 06, 2019 - View & Read

1)
Which commands provide definitions for creating table structure, deleting relations, and modifying relation schemas.
2)
Which command lets to change the structure of the table?
3)
The command to delete a table including the structure is
4)
Queries can be generated using
5)
The clause used to sort data in a database

12th Computer Science - Database Concepts Book Back Questions - by Question Bank Software - Sep 06, 2019 - View & Read

1)
What is the acronym of DBMS?
2)
Who is called Father of Relational Database from the following?
3)
What symbol is used for SELECT statement?
4)
A tuple is also known as
5)
Who developed ER model?

12th Computer Science - Python Classes and Objects Book Back Questions - by Question Bank Software - Sep 06, 2019 - View & Read

1)
Functions defined inside a class:
2)
Class members are accessed through which operator?
3)
Which of the following class declaration is correct?
4)
Which of the following is the private class variable?
5)
The process of creating an object is called as:

12th Computer Science - Lists, Tuples, Sets and Dictionary Book Back Questions - by Question Bank Software - Sep 05, 2019 - View & Read

1)
Pick odd one in connection with collection data type
2)
Which of the following Python function can be used to add more than one element within an existing list?
3)
Which of the following statement is not correct?
4)
Which of the following set operation includes all the elements that are in two sets but not the one that are common to two sets?
5)
The keys in Python, dictionary is specified by

12th Computer Science - Strings and String Manipulations Book Back Questions - by Question Bank Software - Sep 05, 2019 - View & Read

1)
Which of the following is the output of the following python code?
str1="TamilNadu"
print(str1[::-1])
2)
What is stride?
3)
Which of the following formatting character is used to print exponential notation in upper case?
4)
Which of the following is used as placeholders or replacement fields which get replaced along with format( ) function?
5)
The subscript of a string may be:

12th Standard Computer Science - Python Functions Book Back Questions - by Question Bank Software - Sep 04, 2019 - View & Read

1)
A named blocks of code that are designed to do one specific job is called as
2)
A Function which calls itself is called as
3)
In which arguments the correct positional order is passed to a function?
4)
Pick the correct one to execute the given statement successfully.
if ____ : print(x, " is a leap year")
5)
Which of the following keyword is used to define the function testpython(): ?

12th Standard Computer Science - Control Structures Book Back Questions - by Question Bank Software - Sep 04, 2019 - View & Read

1)
How many important control structures are there in Python?
2)
elif can be considered to be abbreviation of
3)
What plays a vital role in Python programming?
4)
Which of the following is known as definite loop?
5)
Which amongst this is not a jump statement?

12th Standard Computer Science Unit 5 Python -Variables and Operators Book Back Questions - by Question Bank Software - Sep 03, 2019 - View & Read

1)
Who developed Python?
2)
Which of the following character is used to give comments in Python Program?
3)
Which of the following is not a Keyword in Python?
4)
Which of the following is not Logical operator?
5)
Which operator is also called as Conditional operator?

12th Standard Computer Science - Scoping Book Back Questions - by Question Bank Software - Sep 02, 2019 - View & Read

1)
Which of the following refers to the visibility of variablesin one part of a program to another part of the same program.
2)
Which of the following is used in programming languages to map the variable and object?
3)
Which of the following security technique that regulates who can use resources in a computing environment?
4)
Which of the following members of a class can be handled only from within the class?
5)
Which members are accessible from outside the class?

12th Standard Computer Science - Algorithmic Strategies Book Back Questions - by Question Bank Software - Sep 02, 2019 - View & Read

1)
The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?
2)
Two main measures for the efficiency of an algorithm are
3)
The Θ notation in asymptotic evaluation represents
4)
If a problem can be broken into subproblems which are reused several times, the problem possesses which property?
5)
In dynamic programming, the technique of storing the previously calculated values is called ?

12th Standard Computer Science - Data Abstraction Book Back Questions - by Question Bank Software - Aug 31, 2019 - View & Read

1)
Which of the following functions that build the abstract data type?
2)
The data type whose representation is unknown are called
3)
Bundling two values together into one can be considered as
4)
Which of the following allow to name the various parts of a multi-item object?
5)
Which of the following is constructed by placing expressions within square brackets?

12th Standard Computer Science Chapter 1 Function Book Back Questions - by Question Bank Software - Aug 30, 2019 - View & Read

1)
Which of the following are mandatory to write the type annotations in the function definition?
2)
Which of the following defines what an object can do?
3)
Which of the following carries out the instructions defined in the interface?
4)
The functions which will give exact result when same arguments are passed are called
5)
The functions which cause side effects to the arguments passed are called

12th Standard Computer Science Unit 9 Lists, Tuples, Sets and Dictionary One Mark Question with Answer - by Question Bank Software - Aug 29, 2019 - View & Read

1)
Pick odd one in connection with collection data type
2)
Let list1=[2,4,6,8,10], then print(List1[-2]) will result in
3)
In list, the negative index number begin with
4)
a = ['A', 2, 3, [4,5,6]] is an example of
5)
Which of the following can be used to access an element in a list?

12th Standard Computer Science Unit 8 Strings and String Manipulations One Mark Question and Answer - by Question Bank Software - Aug 29, 2019 - View & Read

1)
Which of the following is the output of the following python code?
str1="TamilNadu"
print(str1[::-1])
2)
What will be the output of the following code?
str1 = "Chennai Schools"
str1[7] = "-"
3)
Which of the following is the slicing operator?
4)
Which of the following allows creation of multiline strings
5)
Find the output for the following print ('Greater Chennai cooperation's student')

12th Standard Computer Science - Python Functions One Mark Question and Answer - by Question Bank Software - Aug 28, 2019 - View & Read

1)
A named blocks of code that are designed to do one specific job is called as
2)
A Function which calls itself is called as
3)
Which of the following keyword is used to begin the function block?
4)
Pick the correct one to execute the given statement successfully.
if ____ : print(x, " is a leap year")
5)
Which of the following keyword is used to define the function testpython(): ?

12th Computer Science Chapter 6 Control Structures One Mark Question and Answer - by Question Bank Software - Aug 27, 2019 - View & Read

1)
How many important control structures are there in Python?
2)
elif can be considered to be abbreviation of
3)
What plays a vital role in Python programming?
4)
The condition in the if statement should be in the form of
5)
Which of the following is known as definite loop?

12th Standard Computer Science Chapter 5 Python - Variables and Operators One Mark Question and Answer - by Question Bank Software - Aug 27, 2019 - View & Read

1)
Who developed Python?
2)
The Python prompt indicates that Interpreter is ready to accept instruction.
3)
Which of the following is not a Keyword in Python?
4)
Which operator is also called as Comparative operator?
5)
Which of the following is not Logical operator?

12th Standard Computer Science Unit 4 Algorithmic Strategies One Mark Question with Answer Key - by Question Bank Software - Aug 27, 2019 - View & Read

1)
The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?
2)
From the following sorting algorithms which algorithm needs the minimum number of swaps?
3)
Two main measures for the efficiency of an algorithm are
4)
Which of the following is not a characteristic of an algorithm?
5)
Which of the following is not an example of data structures?

12th Computer Science Unit 3 Scoping One Mark Question Paper - by Question Bank Software - Aug 26, 2019 - View & Read

1)
Which of the following refers to the visibility of variablesin one part of a program to another part of the same program.
2)
The process of binding a variable name with an object is called
3)
Which of the following is used in programming languages to map the variable and object?
4)
Containers for mapping names of variables to objects is called
5)
Which scope refers to variables defined in current function?

12th Computer Science Unit 2 Data Abstraction One Mark Question Paper - by Question Bank Software - Aug 24, 2019 - View & Read

1)
Which of the following functions that build the abstract data type?
2)
The data type whose representation is unknown are called
3)
Bundling two values together into one can be considered as
4)
Which of the following allow to name the various parts of a multi-item object?
5)
Which of the following is constructed by placing expressions within square brackets?

12th Computer Science Function One Mark Question Paper - by Question Bank Software - Aug 23, 2019 - View & Read

1)
The small sections of code that are used to perform a particular task is called
2)
Which of the following is a unit of code that is often defined within a greater code structure?
3)
The values which are passed to a function definition are called
4)
Which of the following are mandatory to write the type annotations in the function definition?
5)
The functions which cause side effects to the arguments passed are called

12th Computer Science Lists, Tuples, Sets and Dictionary Model Question Paper - by Question Bank Software - Aug 20, 2019 - View & Read

1)
If List=[17,23,41,10] then List.append(32) will result
2)
What is the use of type() function in python?
3)
The keys in Python, dictionary is specified by
4)
Which of the following is not datatype in Python?
5)
If python sets - 1 as the index value for the last element is called

12th Computer Science Strings and String Manipulations Model Question Paper - by Question Bank Software - Aug 19, 2019 - View & Read

1)
Defining strings within triple quotes allows creating:
2)
Strings in python:
3)
Which of the following formatting character is used to print exponential notation in upper case?
4)
The subscript of a string may be:
5)
String index values are also called as

12th Computer Science Chapter 7 Python Functions Model Question Paper - by Question Bank Software - Aug 12, 2019 - View & Read

1)
A named blocks of code that are designed to do one specific job is called as
2)
In which arguments the correct positional order is passed to a function?
3)
Which of the following keyword is used to define the function testpython(): ?
4)
Which of the following avoids repetition and makes high degree of code reusing?
5)
Which of the following provides better modularity for your python application

12th Standard Computer Science Control Structures Model Question Paper - by Question Bank Software - Aug 05, 2019 - View & Read

1)
How many important control structures are there in Python?
2)
The condition in the if statement should be in the form of
3)
Which amongst this is not a jump statement?
4)
Which of the following is used to alter the control flow of the process depending on the state of the process?
5)
How many important control structures in python?

12th Standard Computer Science Chapter 5 Python - Variables and Operators Model Question Paper - by Question Bank Software - Aug 03, 2019 - View & Read

1)
Which of the following is not a token?
2)
Which operator is also called as Comparative operator?
3)
Python language was released in
4)
IDLE expansion is
5)
Which of the following defines the Pythons interactive mode of programming?

12th Standard Computer Science First Mid Term Model Question Paper - by Question Bank Software - Aug 01, 2019 - View & Read

1)
The small sections of code that are used to perform a particular task is called
2)
The functions which cause side effects to the arguments passed are called
3)
In which type of function the return type is solely depends on its argument passed?
4)
A sequence of immutable objects is called
5)
The____________ can be implemented using singly linked list or doubly linked list

12th Standard Computer Science Chapter 4 Algorithmic Strategies Important Question Paper - by Question Bank Software - Jul 30, 2019 - View & Read

1)
The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?
2)
Two main measures for the efficiency of an algorithm are
3)
Time complexity of bubble sort in best case is
4)
The Θ notation in asymptotic evaluation represents
5)
Which of the following is not a characteristic of an algorithm?

12th Standard Computer Science Chapter 3 Scoping Important Question Paper - by Question Bank Software - Jul 26, 2019 - View & Read

1)
Which of the following refers to the visibility of variablesin one part of a program to another part of the same program.
2)
The process of binding a variable name with an object is called
3)
How the names are mapped with objects in programming language?
4)
The order in which variables have to be mapped to the object in order to obtain the value is called
5)
Which of the following rule is used to decide the order in which the scopes are to be searched for scope resolution?

12th Computer Science Unit 2 Data Abstraction Important Question Paper - by Question Bank Software - Jul 24, 2019 - View & Read

1)
Which of the following functions that build the abstract data type?
2)
Which of the following functions that retrieve information from the data type?
3)
The data structure which is a mutable ordered sequence of elements is called
4)
Which of the following is a powerful concept that allows programmers to treat codes as objects?
5)
Which of the following provides modularity?

12th Computer Science - Unit 1 Full Study Materials Function Important Question Paper - by Question Bank Software - Jul 18, 2019 - View & Read

1)
The small sections of code that are used to perform a particular task is called
2)
Which of the following is a unit of code that is often defined within a greater code structure?
3)
Which of the following is a distinct syntactic block?
4)
Which of the following are expressed using statements of a programming language?
5)
What must the used when a bulk of statements to be repeated for many number of times?

12th Standard Computer Science Frequently Asked Question In Data Abstraction - by KARTHIK S. M - Jun 29, 2019 - View & Read

1)
Which of the following functions that build the abstract data type?
2)
Which of the following functions that retrieve information from the data type?
3)
The data structure which is a mutable ordered sequence of elements is called
4)
A sequence of immutable objects is called
5)
The data type whose representation is known are called

Class 12th Standard New Syllabus Creative Question In Chapter - by KARTHIK S. M - Jun 29, 2019 - View & Read

1)
Which of the following functions that build the abstract data type?
2)
Which of the following functions that retrieve information from the data type?
3)
The data type whose representation is known are called
4)
The data type whose representation is unknown are called
5)
Which of the following is a compound structure?

12th Standard New Syllabus Chapter One Important Question - by KARTHIK S. M - Jun 29, 2019 - View & Read

1)
The small sections of code that are used to perform a particular task is called
2)
Which of the following is a unit of code that is often defined within a greater code structure?
3)
Which of the following is a distinct syntactic block?
4)
The variables in a function definition are called as
5)
Which of the following carries out the instructions defined in the interface?

12th Standard stateboard question papers & Study material

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