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12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 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 are mandatory to write the type annotations in the function definition?

    (a)

    Curly braces

    (b)

    Parentheses

    (c)

    Square brackets

    (d)

    indentations

  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 contains a set a code that works an many kinds of input and produces a concrete output?

    (a)

    Function

    (b)

    Algorithm

    (c)

    Arguments

    (d)

    Language

  4. A sequence of immutable objects is called

    (a)

    Built in

    (b)

    List

    (c)

    Tuple

    (d)

    Derived data

  5. The process of providing only the essentials and hiding the details is known as

    (a)

    Functions

    (b)

    Abstraction

    (c)

    Encapsulation

    (d)

    Pairs

  6. Which of the following refers to the visibility of variablesin one part of a program to another part of the same program.

    (a)

    Scope

    (b)

    Memory

    (c)

    Address

    (d)

    Accessibility

  7. Which of the following keeps track of all these mappings with namespaces?

    (a)

    Programming languages

    (b)

    Application software

    (c)

    System software

    (d)

    MySQL

  8. Which of the following contain instructions, processing logic and data?

    (a)

    Scopes

    (b)

    Modules

    (c)

    Indentation

    (d)

    Access control

  9. The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?

    (a)

    Flowchart

    (b)

    Flow

    (c)

    Algorithm

    (d)

    Syntax

  10. Which of the following is not a characteristic of an algorithm?

    (a)

    Definiteness

    (b)

    Correctness

    (c)

    Data structure

    (d)

    Effectivenes

  11. A theoretical performance analysis of an algorithm is called_________

    (a)

    Posteriori testing

    (b)

    Priori estimates

    (c)

    Algorithmic efficiency

    (d)

    Algorithmic testing

  12. Who developed Python ?

    (a)

    Ritche

    (b)

    Guido Van Rossum

    (c)

    Bill Gates

    (d)

    Sunder Pitchai

  13. Which mode displays the python code result immediately?

    (a)

    Compiler

    (b)

    Interactive

    (c)

    Script

    (d)

    Program

  14. Which of the following is not a fundamental data type?

    (a)

    tuples

    (b)

    lists

    (c)

    character

    (d)

    dictionaries

  15. How many important control structures are there in Python?

    (a)

    3

    (b)

    4

    (c)

    5

    (d)

    6

  16. The following statements is an example of
    Print ("ONE")
    Print ("Four")

    (a)

    iterative

    (b)

    branching

    (c)

    sequential

    (d)

    looping

  17. A named blocks of code that are designed to do one specific job is called as

    (a)

    Loop

    (b)

    Branching

    (c)

    Function

    (d)

    Block

  18. Which of the following is the output of the following python code?
    str1="TamilNadu"
    print(str1[::-1])

    (a)

    Tamilnadu

    (b)

    Tmlau

    (c)

    udanlimaT

    (d)

    udaNlimaT

  19. Pick odd one in connection with collection data type

    (a)

    List

    (b)

    Tuple

    (c)

    Dictionary

    (d)

    Loop

  20. Which of the following are the key features of an Object Oriented Programming language?

    (a)

    Constructor and Classes

    (b)

    Constructor and Object

    (c)

    Classes and Objects

    (d)

    Constructor and Destructor

  21. What is the acronym of DBMS?

    (a)

    DataBase Management Symbol

    (b)

    Database Managing System

    (c)

    DataBase Management System

    (d)

    DataBasic Management System

  22. Which commands provide definitions for creating table structure, deleting relations, and modifying relation schemas.

    (a)

    DDL

    (b)

    `DML

    (c)

    DCL

    (d)

    DQL

  23. A CSV file is also known as a ….

    (a)

    Flat File

    (b)

    3D File

    (c)

    String File

    (d)

    Random File

  24. Which of the following is not a scripting language?

    (a)

    JavaScript

    (b)

    PHP

    (c)

    Perl

    (d)

    HTML

  25. Which of the following function retrieves the average of a selected column of rows in a table?

    (a)

    Add()

    (b)

    SUM()

    (c)

    AVG( )

    (d)

    AVERAGE()

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