New ! Computer Science MCQ Practise Tests



12th Standard Computer Science Important 1 Mark Questions

12th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Computer Science

Time : 01:00:00 Hrs
Total Marks : 50

    Answer all the following questions.

    50 x 1 = 50
  1. The variables in a function definition are called as

    (a)

    Subroutines

    (b)

    Function

    (c)

    Definition

    (d)

    Parameters

  2. Which of the following carries out the instructions defined in the interface?

    (a)

    Operating System

    (b)

    Compiler

    (c)

    Implementation

    (d)

    Interpreter

  3. Which of the following functions that retrieve information from the data type?

    (a)

    Constructors

    (b)

    Selectors

    (c)

    recursive

    (d)

    Nested

  4. Which of the following is a compound structure?

    (a)

    Pair

    (b)

    Triplet

    (c)

    single

    (d)

    quadrat

  5. Which of the following is constructed by placing expressions within square brackets?

    (a)

    Tuples

    (b)

    Lists

    (c)

    Classes

    (d)

    quadrats

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

    (a)

    ::

    (b)

    :=

    (c)

    =

    (d)

    ==

  7. Which of the following security technique that regulates who canuse resources in a computing environment?

    (a)

    Password

    (b)

    Authentication

    (c)

    Access control

    (d)

    Certification

  8. From the following sorting algorithms which algorithm needs the minimum number of swaps?

    (a)

    Bubble sort

    (b)

    Quick sort

    (c)

    Merge sort

    (d)

    Selection sort

  9. Which of the following is not a stable sorting algorithm?

    (a)

    Insertion sort

    (b)

    Quick sort

    (c)

    Merge sort

    (d)

    Selection sort

  10. In dynamic programming, the technique of storing the previously calculated values is called ?

    (a)

    Saving value property

    (b)

    Storing value property

    (c)

    Memoization

    (d)

    Mapping

  11. Which of the following shortcut is used to create new Python Program?

    (a)

    Ctrl + C

    (b)

    Ctrl + F

    (c)

    Ctrl + B

    (d)

    Ctrl + N

  12. Which of the following is not a Keyword in Python?

    (a)

    break

    (b)

    while

    (c)

    continue

    (d)

    operators

  13. What plays a vital role in Python programming?

    (a)

    Statements

    (b)

    Control

    (c)

    Structure

    (d)

    Indentation

  14. Which is the most comfortable loop?

    (a)

    do..while

    (b)

    while

    (c)

    for

    (d)

    if..elif

  15. Which punctuation should be used in the blank?
    if < condition > ____
           statements-block 1
    else:
            statements-block 2

    (a)

    ;

    (b)

    ::

    (c)

    !

    (d)

    ":"

  16. Which of the following keyword is used to exit a function block?

    (a)

    define

    (b)

    return

    (c)

    finally

    (d)

    def

  17. Which of the following keyword is used to define the function testpython(): ?

    (a)

    define

    (b)

    pass

    (c)

    def

    (d)

    while

  18. Strings in python:

    (a)

    Changeable

    (b)

    Mutable

    (c)

    Immutable

    (d)

    flexible

  19. Which of the following formatting character is used to print exponential notation in upper case?

    (a)

    %e

    (b)

    %E

    (c)

    %g

    (d)

    %n

  20. If List=[10,20,30,40,50] then List[2]=35 will result

    (a)

    [35,10,20,30,40,50]

    (b)

    [10,20,30,40,50,35]

    (c)

    [10,20,35,40,50]

    (d)

    [10,35,30,40,50]

  21. 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.

  22. The keys in Python, dictionary is specified by

    (a)

    =

    (b)

    ;

    (c)

    +

    (d)

    ":"

  23. Class members are accessed through which operator?

    (a)

    &

    (b)

    .

    (c)

    #

    (d)

    %

  24. The process of creating an object is called as:

    (a)

    Constructor

    (b)

    Destructor

    (c)

    Initialize

    (d)

    Instantiation

  25. What is the acronym of DBMS?

    (a)

    DataBase Management Symbol

    (b)

    Database Managing System

    (c)

    DataBase Management System

    (d)

    DataBasic Management System

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

    (a)

    Chris Date

    (b)

    Hugh Darween

    (c)

    Edgar Frank Codd

    (d)

    Edgar Frank Cadd

  27. Which command lets to change the structure of the table?

    (a)

    SELECT

    (b)

    ORDER BY

    (c)

    MODIFY

    (d)

    ALTER

  28. Queries can be generated using

    (a)

    SELECT

    (b)

    ORDER BY

    (c)

    MODIFY

    (d)

    ALTER

  29. The expansion of CRLF is

    (a)

    Control Return and Line Feed

    (b)

    Carriage Return and Form Feed

    (c)

    Control Router and Line Feed

    (d)

    Carriage Return and Line Feed

  30. Which of the following is a string used to terminate lines produced by writer()method of csv module?

    (a)

    Line Terminator

    (b)

    Enter key

    (c)

    Form feed

    (d)

    Data Terminator

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

    (a)

    Editing

    (b)

    Appending

    (c)

    Modification

    (d)

    Alteration

  32. Importing C++ program in a Python program is called

    (a)

    wrapping

    (b)

    Downloading

    (c)

    Interconnecting

    (d)

    Parsing

  33. The module which allows you to interface with the Windows operating system is

    (a)

    OS module

    (b)

    sys module

    (c)

    csv module

    (d)

    getopt module

  34. What does __name__ contains?

    (a)

    c++ filename

    (b)

    main() name

    (c)

    python filename

    (d)

    os module name

  35. Which of the following is a control structure used to traverse and fetch the records of the database?

    (a)

    Pointer

    (b)

    Key

    (c)

    Cursor

    (d)

    Insertion point

  36. The function that returns the largest value of the selected column is

    (a)

    MAX()

    (b)

    LARGE()

    (c)

    HIGH()

    (d)

    MAXIMUM()

  37. Which of the following clause avoide the duplicate?

    (a)

    Distinct

    (b)

    Remove

    (c)

    Where

    (d)

    GroupBy

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

    (a)

    matplotlib.pyplot

    (b)

    matplotlib.pip

    (c)

    matplotlib.numpy

    (d)

    matplotlib.plt

  39. 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

    (a)

    List installed packages

    (b)

    list command

    (c)

    Install PIP

    (d)

    packages installed

  40. Read the code:
    a. import matplotlib.pyplot as plt
    b. plt.plot(3,2)
    c. plt.show()
    Identify the output for the above coding

    (a)

    (b)

    (c)

    (d)

  41. What must the used when a bulk of statements to be repeated for many number of times?

    (a)

    Algorithm

    (b)

    Program

    (c)

    Subroutines

    (d)

    Parameters

  42. Which of the following is a description of all functions in object oriented programming language?

    (a)

    Implementation

    (b)

    parameter

    (c)

    Interface

    (d)

    Arugument

  43. All functions are________ definitions.

    (a)

    static

    (b)

    dynamic

    (c)

    algorithmic

    (d)

    static

  44. ADT expansion is

    (a)

    Abstract Data Template

    (b)

    Absolute Data Type

    (c)

    Abstract Data Type

    (d)

    Application Development Tool

  45. Choose the type of scope for a variable '9! defined in the following program.
    Disp ( ):
    a:=7
    Print a
    Disp ( )

    (a)

    Global

    (b)

    Enclosed

    (c)

    Local

    (d)

    Built-in

  46. Which of the following is not an example of data structures?

    (a)

    Control statement

    (b)

    Structure

    (c)

    List

    (d)

    Dictionary

  47. Which mode can also be used as a simple calculator?

    (a)

    Calc mode

    (b)

    Interactive mode

    (c)

    Script mode

    (d)

    Code mode

  48. if..else statement provides ________________ possibilities and the condition determines which block is to be executed.

    (a)

    2

    (b)

    3

    (c)

    4

    (d)

    5

  49. print (format (14,'f') displays

    (a)

    14.00

    (b)

    14

    (c)

    14.0000

    (d)

    14.000000

  50. Which of the following operators are useful to do string manipulation?

    (a)

    +, -

    (b)

    *, /

    (c)

    + *

    (d)

    ; "

*****************************************

Reviews & Comments about 12th Standard Computer Science English Medium - Important 1 Mark MCQ's Question Paper and Answer Key 2022 - 2023

Write your Comment