New ! Computer Science MCQ Practise Tests



Important 1 Mark Book Back Questions (New Syllabus) 2020

12th Standard

    Reg.No. :
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Computer Science

Time : 00:25:00 Hrs
Total Marks : 26

    Part A

    26 x 1 = 26
  1. Which of the following is a distinct syntactic block?

    (a)

    Subroutines

    (b)

    Function

    (c)

    Definition

    (d)

    Modules

  2. Which of the following is a compound structure?

    (a)

    Pair

    (b)

    Triplet

    (c)

    single

    (d)

    quadrat

  3. Which of the following is used in programming languages to map the variable and object?

    (a)

    ::

    (b)

    :=

    (c)

    =

    (d)

    ==

  4. Which of the following members of a class can be handled only from within the class?

    (a)

    Public members

    (b)

    Protected members

    (c)

    Secured members

    (d)

    Private members

  5. From the following sorting algorithms which has the lowest worst case complexity?

    (a)

    Bubble sort

    (b)

    Quick sort

    (c)

    Merge sort

    (d)

    Selection sort

  6. This symbol is used to print more than one item on a single line.

    (a)

    Semicolon(;)

    (b)

    Dollor($)

    (c)

    comma(,)

    (d)

    Colon(:)

  7. What plays a vital role in Python programming?

    (a)

    Statements

    (b)

    Control

    (c)

    Structure

    (d)

    Indentation

  8. Which amongst this is not a jump statement?

    (a)

    for

    (b)

    goto

    (c)

    continue

    (d)

    break

  9. 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.

    (a)

    I is correct and II is wrong

    (b)

    Both are correct

    (c)

    I is wrong and II is correct

    (d)

    Both are wrong

  10. Defining strings within triple quotes allows creating:

    (a)

    Single line Strings

    (b)

    Multiline Strings

    (c)

    Double line Strings

    (d)

    Multiple Strings

  11. Which of the following is used as placeholders or replacement fields which get replaced along with format( ) function?

    (a)

    { }

    (b)

    < >

    (c)

    ++

    (d)

    ^^

  12. If List=[17,23,41,10] then List.append(32) will result

    (a)

    [32,17,23,41,10]

    (b)

    [17,23,41,10,32]

    (c)

    [10,17,23,32,41]

    (d)

    [41,32,23,17,10]

  13. What is the use of type() function in python?

    (a)

    To create a Tuple

    (b)

    To know the type of an element in tuple.

    (c)

    To know the data type of python object

    (d)

    To create a list.

  14. Class members are accessed through which operator?

    (a)

    &

    (b)

    .

    (c)

    #

    (d)

    %

  15. 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”)

    (a)

    Error

    (b)

    Tamil

    (c)

    name

    (d)

    self

  16. Who is called Father of Relational Database from the following?

    (a)

    Chris Date

    (b)

    Hugh Darween

    (c)

    Edgar Frank Codd

    (d)

    Edgar Frank Cadd

  17. Queries can be generated using

    (a)

    SELECT

    (b)

    ORDER BY

    (c)

    MODIFY

    (d)

    ALTER

  18. The command used to skip a row in a CSV file is

    (a)

    next()

    (b)

    skip()

    (c)

    omit()

    (d)

    bounce()

  19. Making some changes in the data of the existing file or adding more data is called

    (a)

    Editing

    (b)

    Appending

    (c)

    Modification

    (d)

    Alteration

  20. Which of the following is a software design technique to split your code into separate parts?

    (a)

    Object oriented Programming

    (b)

    Modular programming

    (c)

    Low Level Programming

    (d)

    Procedure oriented Programming

  21. What does __name__ contains?

    (a)

    c++ filename

    (b)

    main() name

    (c)

    python filename

    (d)

    os module name

  22. Which of the following executes the SQL command to perform some action?

    (a)

    Execute()

    (b)

    Key()

    (c)

    Cursor()

    (d)

    run()

  23. The most commonly used statement in SQL is

    (a)

    cursor

    (b)

    select

    (c)

    execute

    (d)

    commit

  24. Which is a python package used for 2D graphics?

    (a)

    matplotlib.pyplot

    (b)

    matplotlib.pip

    (c)

    matplotlib.numpy

    (d)

    matplotlib.plt

  25. To install matplotlib, the following function will be typed in your command prompt. What does “-U”represents?
    Python –m pip install –U pip

    (a)

    downloading pip to the latest version

    (b)

    upgrading pip to the latest version

    (c)

    removing pip

    (d)

    upgrading matplotlib to the latest version

  26. 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.

    (a)

    Line chart

    (b)

    Bar chart

    (c)

    Pie chart

    (d)

    Scatter plot

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