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Published on: 22/08/2026
Download Tamil Nadu 12th Standard Computer Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Computer Science Test
1.
Which SQlite clause is used to filter data base on the group functions?
WHERE
HAVING
ORDER
FILTER
2.
Which of the following clause will not work in SQlite?
DISTINCT
HAVING
FETCHALL
WHERE
3.
In Python matplotlib is a
control structure
dictionary
library
list
4.
Which method uses the SQL command to get all the data from the table?
get
select
execute
Query
5.
Which of the following is not a type of visualization under matplotlib?
Histogram
Pie chart
Box plot
SQLite
6.
The function to make a pie chart with Matplotlib:
7.
_____________ is a type of chart which displays information as a series of data points connected by straight line segments.
csv
Piechart
Barchart
All the above
Line Chart or Line Graph
8.
Which of the following module should be imported to visualize data and information in Python?
csv
getopt
mysql
matplotlib
9.
Which of the following feature is used to represent data and information graphically?
Data List
Data Type
Classes and Objects
Data Visualization
10.
Which is a python package used for 2D charts?
matplotlib.pyplot
matplotlib.pip
matplotlib.numpy
matplolib.plt
11.
Which of the following interface used for interfacing with C programs?
MicGW
Boost
Ctypes
Cython
12.
Which of the following is a scripting language?
Ruby
ASP
TCI
All of these
13.
Which of the following is not a scripting language?
Ruby
DBMS
Perl
JavaScript
14.
Which of the following function retrieves the average of a selected column of rows in a table?
Add()
SUM()
AVG()
AVERAGE()
15.
Which of the following is a control structure used to traverse and fetch the records of the database?
Pointer
Key
Cursor
Insertion point
16.
Which of the following is an organized collection of data?
Database
DBMS
Information
Records
17.
The module which allows you to interface with the Windows operating system is
OS module
sys module
csv module
getopt module
18.
The expansion of API is
Application Programming Interpreter
Application Programming Interface
Application Performing Interface
Application Programming Interlink
19.
In Excel, the default CSV files should open automatically by
Single click
Right click
Double click
None of these
20.
Which of the following is not a scripting language?
JavaScript
PHP
Perl
HTML
21.
Which of the following is a human readable text file where each line has fields?
CSV file
CSV module
CSV sheet
CSV text
22.
The python file mode opens a file for exclusive creation:
w
x
b
a
23.
Making some changes in the data of the existing file or adding more data is called
Editing
Appending
Modification
Alteration
24.
Which of the following is a string used to terminate lines produced by writer() method of csv module?
Line Terminator
Enter key
Form feed
Data Terminator
25.
Which of the following module is provided by Python to do several operations on the CSV files?
py
xls
csv
os
26.
Which processing skills of SQL includes commands of access rights to creations and views of tables?
View definition
Integrity
Authorization
Transaction control
27.
Find out the odd man out :
MS SQL servers
Microsoft Access
IBM DB2
Dbase
28.
The original version of SQL is released in the year ______________
1970
1980
1986
1992
29.
The clause used to sort data in a database
SORT BY
ORDER BY
GROUP BY
SELECT
30.
The command to delete a table including the structure is
DROP
DELETE
DELETE ALL
ALTER TABLE
1.
(b)
HAVING
2.
(c)
FETCHALL
3.
(c)
library
4.
(c)
execute
5.
(d)
SQLite
6.
(d)
plt.pie()
7.
(e)
Line Chart or Line Graph
8.
(d)
matplotlib
9.
(d)
Data Visualization
10.
(a)
matplotlib.pyplot
11.
(c)
Ctypes
12.
(d)
All of these
13.
(b)
DBMS
14.
(c)
AVG()
15.
(c)
Cursor
16.
(a)
Database
17.
(a)
OS module
18.
(b)
Application Programming Interface
19.
(c)
Double click
20.
(d)
HTML
21.
(a)
CSV file
22.
(b)
x
23.
(c)
Modification
24.
(a)
Line Terminator
25.
(c)
csv
26.
(c)
Authorization
27.
(d)
Dbase
28.
(a)
1970
29.
(b)
ORDER BY
30.
(a)
DROP
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Tamilnadu Stateboard 12th Standard Subjects
Maths
Chemistry
Physics
Biology
Computer Science
Business Maths and Statistics
Economics
Commerce
Accountancy
History
Computer Applications
Biology
Computer Technology
Computer Applications
Computer Science
Business Maths and Statistics
Commerce
Economics
Maths
Chemistry
Physics
Computer Technology
History
Accountancy
Tamil
English
French
Tamilnadu Stateboard Standards
