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12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Nine

12th Standard

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Computer Science

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

    Answer all the questions

    25 x 1 = 25
  1. A_________ combines the external interface with an implementation of the interface

    (a)

    parameter without type

    (b)

    class declaration

    (c)

    function definition

    (d)

    parameter with type

  2. ______is made up of list or Tuples

    (a)

    Set

    (b)

    Pair

    (c)

    Dictionary

    (d)

    Control Structures

  3. The process of subdividing a computer program into separate sub-programs is called

    (a)

    Procedural Programming

    (b)

    Modular programming

    (c)

    Event Driven Programming

    (d)

    Object oriented Programming

  4. Choose the type of scope for a variable '9! defined in the following program.
    Disp ( ):
    a:=7
    Print a
    Disp 0

    (a)

    Global

    (b)

    Enclosed

    (c)

    Local

    (d)

    Built-in

  5. ______can be separately compiled and stored in a library

    (a)

    Characteristics

    (b)

    Syntax

    (c)

    Modules

    (d)

    none of these

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

    (a)

    Insertion sort

    (b)

    Quick sort

    (c)

    Merge sort

    (d)

    Selection sort

  7. Which of the following component is defined as the total space required by variables, which sizes depends on the problem and its iteration?

    (a)

    Variable part

    (b)

    Time part

    (c)

    Fixed part

  8. Which approach is similar to divide and conquer method?

    (a)

    Dynamic programming

    (b)

    Object oriented

    (c)

    Procedural

    (d)

    Modular

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

    (a)

    Semicolon(;)

    (b)

    Dollor($)

    (c)

    comma(,)

    (d)

    Colon(:)

  10. Which of the following mode cannot be written Python program?
    (i) Interactive mode
    (ii) Script mode
    (iii) Calculator mode
    (iv) Executable mode

    (a)

    i

    (b)

    ii

    (c)

    i and iii

    (d)

    iii and iv

  11. Which of the following is a raw data given in a variable or constant?

    (a)

    Information

    (b)

    Delimiters

    (c)

    Literal

    (d)

    Keywords

  12. The inputs () accepts all data as _____ or ______

    (a)

    String or characters

    (b)

    String or numbers

    (c)

    Characters or numbers

    (d)

    integers or exponent

  13. The condition in the if statement should be in the form of

    (a)

    Arithmetic or Relational expression

    (b)

    Arithmetic or Logical expression

    (c)

    Relational or Logical expression

    (d)

    Arithmetic

  14. Find the odd man out

    (a)

    Branching

    (b)

    looping

    (c)

    sequential

    (d)

    Condition

  15. Which part of the loop is not executed if a loop is left by break?

    (a)

    if

    (b)

    else

    (c)

    break

    (d)

    for

  16. Which of the following are treated as one big sequence of statement while exection?

    (a)

    Structure

    (b)

    Statement

    (c)

    Block

    (d)

    Code

  17. Write the output for the following code
    a=5
    def add():
    a= 10
    add()
    print (a)

    (a)

    5

    (b)

    10

    (c)

    15

    (d)

    error

  18. A group of related statement that perform a specific task is called as ______

    (a)

    Lists

    (b)

    Tuples

    (c)

    Control statements

    (d)

    Functions

  19. The ____ keyword used to read and write a global variable inside a function.

    (a)

    global

    (b)

    local

    (c)

    return

    (d)

    def

  20. Which of the following is the slicing operator?

    (a)

    { }

    (b)

    [ ]

    (c)

    < >

    (d)

    ( )

  21. TCL stands for

    (a)

    Transmission Control Language

    (b)

    Transfer Communication Language

    (c)

    Transaction Communication Language

    (d)

    Transaction control Language

  22. Which of the following constraint helps to uniquely identify a record in the database?

    (a)

    Default

    (b)

    Unique

    (c)

    Primary key

    (d)

    Check

  23. Which of the following keyword used in SELECT command that helps to eliminate redundant data?

    (a)

    ELIMINATE

    (b)

    REDUNDANT

    (c)

    DISTINCT

    (d)

    DUPLICATE

  24. 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

    (a)

    Check if PIP is Installed

    (b)

    Install PIP

    (c)

    Download a Package

    (d)

    Check PIP version

  25. 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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