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Published on: 25/10/2025
Download CBSE Class 12th Standard CBSE Computer Science question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 12th Standard CBSE Computer Science
Questions + Answers key
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Multiple Choice Question
1.
What will be the output of the following code?
print (type(type(int)))
type "int'
Error
< class "int' >
2.
What will be the output of the following code?
L = ['a','b','c','d']
print (" ".join(L))
Error
a b c d
['a':b':c':d']
None
3.
What is called when a function is defined inside a class?
Module
Class
Another function
Method
4.
Which of the following is the use of idf) function in python?
Id() returns the identity of the object
Every object doesn't have a unique ID
All of the mentioned
None of the mentioned
5.
Suppose list1 is [3, 4, 5, 20, 5, 25, 1, 3], what is list after list1.pop(1)?
[3,4, 5, 20, 5, 25, 1, 3]
[1, 3, 3, 4, 5, 5, 20, 25]
[3,5, 20, 5, 25, 1, 3]
[1,3,4,5,20,5,25]
6.
Which of the following statements are true?
When you open a file for reading, if the file does not exist, an error occurs
When you open a file for writing, if the file does not exist, a new file is created
When you open a file for writing, if the file exists, the existing file is overwritten with the new file
All of the mentioned
7.
To read two characters from a file object infile, we use ______.
infile.read(2)
infile.read()
infile.readline()
infile.readlines()
8.
To read the entire remaining contents of the file as a string from a file object infile, we use_________.
infile.read(2)
infile.read()
infile.readline()
infile.readlines()
9.
10.
Name the statement that sends back a value from a function
11.
x is now 50
12.
0: 0
13.
[30, 24, 28]
[10, 20, 30]
[30,36,42]
14.
15.
Error
-5
5
16.
17.
Error
1
9
18.
19.
A global variable
20.
zero
Multiple Choice Question
1.
(b)
2.
(b)
a b c d
3.
(d)
Method
4.
(a)
Id() returns the identity of the object
5.
(c)
[3,5, 20, 5, 25, 1, 3]
6.
(d)
All of the mentioned
7.
(a)
infile.read(2)
8.
(b)
infile.read()
9.
(d)
10.
(c)
11.
(a)
x is now 50
12.
(a)
0: 0
13.
(c)
[30,36,42]
14.
(b)
15.
(d)
16.
(b)
17.
(c)
9
18.
(b)
19.
(c)
20.
(c)
12th Standard CBSE Syllabus & Materials
12th Standard CBSE
CBSE 12th Chemistry d- and f- Block Elements Important Questions And Answers Study Material - QB365 Set A
NEW12th Standard CBSE
CBSE 12th Chemistry Chemical Kinetics Important Questions And Answers Study Material - QB365 Set B
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CBSE 12th Chemistry Chemical Kinetics Important Questions And Answers Study Material - QB365 Set A
NEW12th Standard CBSE
CBSE 12th Chemistry Electrochemistry Important Questions And Answers Study Material - QB365 Set C
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