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12th Standard English Medium Computer Science Subject Book Back 5 Mark Questions with Solution Part - I

12th Standard

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Computer Science

Time : 01:00:00 Hrs
Total Marks : 125

    5 Marks

    25 x 5 = 125
  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. What is Binary search? Discuss with example

  3. Explain the Bubble sort algorithm with example.

  4. Explain input() and print() functions with examples.

  5. Write a detail note on if..else..elif statement with suitable example.

  6. Write a program to display all 3 digit odd numbers.

  7. Explain the scope of variables with an example.

  8. Explain about string operators in python with suitable example.

  9. What is the purpose of range( )? Explain with an example.

  10. Explain the different set operations supported by python with suitable example.

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

  12. Explain the different types of relationship mapping.

  13. Explain the different operators in Relational algebra with suitable examples.

  14. Write the different types of constraints and their functions.

  15. Construct the following SQL statements in the student table-
    (i) SELECT statement using GROUP BY clause.
    (ii) SELECT statement using ORDER BY clause.

  16. Write a SQL statement to create a table for employee having any five fields and create a table constraint for the employee table.

  17. Tabulate the different mode with its meaning.

  18. Write the different methods to read a File in Python.

  19. Explain each word of the following command.
    Python  < filename.py > - < i > <C++ filename without cpp extension>

  20. What is the purpose of sys, os, getopt module in Python.Explain.

  21. Write the syntax for getopt( ) and explain its arguments and return values.

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

  23. 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
  24. Explain in detail the types of pyplots using Matplotlib.

  25. Explain the various buttons in a matplotlib window.

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