12th Standard Computer Science English Medium - Important 1 Mark MCQ's Question Paper and Answer Key 2022 - 2023 | QB365

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

Published on: 31/12/2022

QB365 provides a detailed and simple solution for every Possible Questions in Class 12 Computer Science Subject - Important 1 Mark MCQ's, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.

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Questions:

Multiple Choice Question

50 x 1 = 50

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

(a)

(b)

(c)

(d)

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

(a)

+, -

(b)

*, /

(c)

+ *

(d)

; "

print (format (14,'f') displays

(a)

14.00

(b)

(c)

14.0000

(d)

14.000000

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

(a)

Control statement

(b)

Structure

(c)

List

(d)

Dictionary

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

Which mode can also be used as a simple calculator?

(a)

Calc mode

(b)

Interactive mode

(c)

Script mode

(d)

Code mode

ADT expansion is

(a)

Abstract Data Template

(b)

Absolute Data Type

(c)

Abstract Data Type

(d)

Application Development Tool

All functions are________ definitions.

(a)

static

(b)

dynamic

(c)

algorithmic

(d)

static

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

(a)

Implementation

(b)

parameter

(c)

Interface

(d)

Arugument

10.

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

11.

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)

12.

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

13.

Which is a python package used for 2D graphics?

(a)

matplotlib.pyplot

(b)

matplotlib.pip

(c)

matplotlib.numpy

(d)

matplotlib.plt

14.

Which of the following clause avoide the duplicate?

(a)

Distinct

(b)

Remove

(c)

Where

(d)

GroupBy

15.

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

(a)

MAX()

(b)

LARGE()

(c)

HIGH()

(d)

MAXIMUM()

16.

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

17.

What does __name__ contains?

(a)

c++ filename

(b)

main() name

(c)

python filename

(d)

os module name

18.

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

19.

Importing C++ program in a Python program is called

(a)

wrapping

(b)

Downloading

(c)

Interconnecting

(d)

Parsing

20.

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

(a)

Editing

(b)

Appending

(c)

Modification

(d)

Alteration

21.

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

22.

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

23.

Queries can be generated using

(a)

SELECT

(b)

ORDER BY

(c)

MODIFY

(d)

ALTER

24.

Which command lets to change the structure of the table?

(a)

SELECT

(b)

ORDER BY

(c)

MODIFY

(d)

ALTER

25.

Who is called Father of Relational Database from the following?

(a)

Chris Date

(b)

Hugh Darween

(c)

Edgar Frank Codd

(d)

Edgar Frank Cadd

26.

What is the acronym of DBMS?

(a)

DataBase Management Symbol

(b)

Database Managing System

(c)

DataBase Management System

(d)

DataBasic Management System

27.

The process of creating an object is called as:

(a)

Constructor

(b)

Destructor

(c)

Initialize

(d)

Instantiation

28.

Class members are accessed through which operator?

(a)

(b)

(c)

(d)

29.

The keys in Python, dictionary is specified by

(a)

(b)

;

(c)

(d)

":"

30.

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.

31.

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]

32.

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

(a)

(b)

(c)

(d)

33.

Strings in python:

(a)

Changeable

(b)

Mutable

(c)

Immutable

(d)

flexible

34.

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

(a)

define

(b)

pass

(c)

def

(d)

while

35.

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

(a)

define

(b)

return

(c)

finally

(d)

def

36.

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

(a)

;

(b)

(c)

(d)

" : "

37.

Which of the following is known as definite loop?

(a)

do..while

(b)

while

(c)

for

(d)

if..elif

38.

What plays a vital role in Python programming?

(a)

Statements

(b)

Control

(c)

Structure

(d)

Indentation

39.

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

40.

Which of the following is not a stable sorting algorithm?

(a)

Insertion sort

(b)

Quick sort

(c)

Merge sort

(d)

Selection sort

41.

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

(a)

Bubble sort

(b)

Insertion sort

(c)

Selection sort

(d)

All the above

42.

Which of the following is not a Keyword in Python?

(a)

break

(b)

while

(c)

continue

(d)

operators

43.

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

(a)

Ctrl + C

(b)

Ctrl + F

(c)

Ctrl + B

(d)

Ctrl + N

44.

Which of the following security technique that regulates who can use resources in a computing environment?

(a)

Password

(b)

Authentication

(c)

Access control

(d)

Certification

45.

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

(a)

(b)

(c)

(d)

46.

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

(a)

Tuples

(b)

Lists

(c)

Classes

(d)

quadrats

47.

Which of the following is a compound structure?

(a)

Pair

(b)

Triplet

(c)

single

(d)

quadrat

48.

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

(a)

Constructors

(b)

Selectors

(c)

recursive

(d)

Nested

49.

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

(a)

Operating System

(b)

Compiler

(c)

Implementation

(d)

Interpreter

50.

The variables in a function definition are called as

(a)

Subroutines

(b)

Function

(c)

Definition

(d)

Parameters

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Answers Key:

Multiple Choice Question

50 x 1 = 50

(a)
2

(d)
14.000000

(a)
Control statement

(b)
Interactive mode

(a)
static

10.

11.

12.

(d)
packages installed

13.

(a)
matplotlib.pyplot

14.

(a)
Distinct

15.

(a)
MAX()

16.

17.

(a)
c++ filename

18.

(a)
OS module

19.

(a)
wrapping

20.

21.

(a)
Line Terminator

22.

(d)
Carriage Return and Line Feed

23.

(a)
SELECT

24.

(d)
ALTER

25.

26.

27.

(d)
Instantiation

28.

(b)
.

29.

(d)
":"

30.

31.

32.

(b)
%E

33.

34.

35.

(b)
return

36.

(d)
" : "

37.

38.

(d)
Indentation

39.

40.

(d)
Selection sort

41.

42.

(d)
operators

43.

(d)
Ctrl + N

44.

45.

46.

(b)
Lists

47.

(a)
Pair

48.

(b)
Selectors

49.

50.

(d)
Parameters

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