12th Standard CBSE Syllabus & Materials
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Published on: 25/10/2025
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Questions + Answers key
Take MCQ Computer Science Test
1.
zero
2.
A global variable
3.
4.
Error
1
9
5.
6.
Error
-5
5
7.
8.
[30, 24, 28]
[10, 20, 30]
[30,36,42]
9.
0: 0
10.
x is now 50
11.
Name the statement that sends back a value from a function
12.
13.
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()
14.
To read two characters from a file object infile, we use ______.
infile.read(2)
infile.read()
infile.readline()
infile.readlines()
15.
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
16.
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]
17.
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
18.
What is called when a function is defined inside a class?
Module
Class
Another function
Method
19.
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
20.
What will be the output of the following code?
print (type(type(int)))
type "int'
Error
< class "int' >
1.
(c)
2.
(c)
3.
(b)
4.
(c)
9
5.
(b)
6.
(d)
7.
(b)
8.
(c)
[30,36,42]
9.
(a)
0: 0
10.
(a)
x is now 50
11.
(c)
12.
(d)
13.
(b)
infile.read()
14.
(a)
infile.read(2)
15.
(d)
All of the mentioned
16.
(c)
[3,5, 20, 5, 25, 1, 3]
17.
(a)
Id() returns the identity of the object
18.
(d)
Method
19.
(b)
a b c d
20.
(b)
12th Standard CBSE Syllabus & Materials
12th Standard CBSE
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