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

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. Which of the following is a unit of code that is often defined within a greater code structure?

    (a)

    Subroutines

    (b)

    Function

    (c)

    Files

    (d)

    Modules

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

    (a)

    Algorithm

    (b)

    Program

    (c)

    Subroutines

    (d)

    Parameters

  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 provides modularity?

    (a)

    Datatypes

    (b)

    Subroutines

    (c)

    Classes

    (d)

    Abstraction

  5. The process of binding a variable name with an object is called

    (a)

    Scope

    (b)

    Mapping

    (c)

    late binding

    (d)

    early binding

  6. Which of the following refers to the addresses to an object in memory?

    (a)

    Functions

    (b)

    Indentation

    (c)

    Variables

    (d)

    Operators

  7. 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

  8. Which of the following are the characteristics of an algorithm?
    (i) Definiteness
    (ii) Correctness
    (iii) Effectiveness

    (a)

    i, ii

    (b)

    ii, iii

    (c)

    Only ii

    (d)

    i, ii and iii

  9. The Python prompt indicates that Interpreter is ready to accept instruction.

    (a)

    >>>

    (b)

    <<<

    (c)

    #

    (d)

    <<

  10. IDLE expansion is

    (a)

    Integrated Development Learning Environment

    (b)

    Information Development Logical Environment

    (c)

    Integrated Development Language Environment

    (d)

    Interactive Development Learning Environment

  11. elif can be considered to be abbreviation of

    (a)

    nested if

    (b)

    if..else

    (c)

    else if

    (d)

    if..elif

  12. Find the odd man out.

    (a)

    keywords

    (b)

    Operator

    (c)

    Identifiers

    (d)

    Programs

  13. A Function which calls itself is called as

    (a)

    Built-in

    (b)

    Recursion

    (c)

    Lambda

    (d)

    return

  14. Which of the following avoids repetition and makes high degree of code reusing?

    (a)

    Loop

    (b)

    Branching

    (c)

    Functions

    (d)

    Dictionaries

  15. What will be the output of the following code?
    str1 = "Chennai Schools"
    str1[7] = "-"

    (a)

    Chennai-Schools

    (b)

    Chenna-School

    (c)

    Type error

    (d)

    Chennai

  16. String are enclosed with

    (a)

    "

    (b)

    " "

    (c)

    '''''' ''''''

    (d)

    ''' '''

    (e)

    all of these

  17. Let list1=[2,4,6,8,10], then print(List1[-2]) will result in

    (a)

    10

    (b)

    8

    (c)

    4

    (d)

    6

  18. Which of the following is not datatype in Python?

    (a)

    List

    (b)

    Tuples

    (c)

    String

    (d)

    Set

  19. Functions defined inside a class:

    (a)

    Functions

    (b)

    Module

    (c)

    Methods

    (d)

    section

  20. Which of the following called as instances of a class or class variable?

    (a)

    Methods

    (b)

    Objects

    (c)

    Functions

    (d)

    Datatypes

  21. Which of the following is an organized collection of data, which can be stared and a cersed through computer system

    (a)

    Database

    (b)

    Worksheet

    (c)

    DBMS

    (d)

    Information

  22. Which of the following language was designed for managing and accessing data in RDBMS?

    (a)

    DBMS

    (b)

    DDL

    (c)

    DML

    (d)

    SQL

  23. CSV means

    (a)

    Condition separated values

    (b)

    Colon separated values

    (c)

    C++ solution values

    (d)

    Comma separated values

  24. Which of the following is not general purpose language?

    (a)

    Python

    (b)

    Perl

    (c)

    Java

    (d)

    C++

  25. Which method is SQlite is used create a connection with a database file created?

    (a)

    cursor ( )

    (b)

    lite ( )

    (c)

    connect ( )

    (d)

    connection ( )

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