Computational Thinking and Programming MCQ Class 12 Computer Science Unit 1 MCQs Question and Answers

Computational Thinking and Programming MCQ Question Answers suitable for CUET 2026 from Class 12 Computer Science Unit 1

To score full marks in the CUET 2026 Computer Science exam, Practice Class 12 Computer Science Unit 1 Computational Thinking and Programming MCQ Test any number of times free on our website. These questions have been created by our experts from the latest Class 12 Computer Science Syllabus and as per latest exam pattern. Multiple Choice Questions (MCQs) are a type of objective assessment in which a person is asked to choose one or more correct answers from a list of available options. An MCQ presents a question along with several possible answers. Most of the exams in India including the CUET exam conduct an online test to check your knowledge.

Class 12 Computer Science Unit 1 MCQs

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1. What are the two main types of functions in Python?

a.Built-in function & User defined function

b.User function

c.Custom function

d.System function

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2. Python identifiers are case-sensitive.

a.Depends on the computer system

b.TRUE

c.FALSE

d.Depends on Program

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3. Which of the following is a feature of Python DocString?

a.All of the mentioned

b.It provides a convenient way of associating documentation with Python modules, functions, classes, and methods

c.In Python all functions should have a docstring

d.Docstrings can be accessed by the __doc__ attribute on objects

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4. Question

a.Infinite loop

b.1101

c.110

d.1001

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5. Question

a.none of the mentioned

b.1 2 3

c.error

d.1 2

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6. Question

a.2 4 6 8

b.70 20 90 40

c.5 10 15 40

d.1 2 3

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7. The process of pickling in Python includes ____________

a.conversion of a list into a datatable

b.conversion of a datatable into a list

c.conversion of a byte stream into Python object hierarchy

d.conversion of a Python object hierarchy into byte stream

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8. Suppose t = (1, 2, 4, 3), which of the following is incorrect?

a.print(t[3])

b.print(len(t))

c.t[3] = 45

d.print(max(t))

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9. Which one of the following is not a keyword in Python language?

a.nonlocal

b.assert

c.eval

d.pass

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10. Question

a.6s blank spaces before Online-Test

b.6s blank spaces after Online-Test

c.6s blank spaces before Online and Test

d.no change

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11. Mode to create a new file if the file does not exist?

a.None of the above

b.append mode

c.write mode

d.Both of the above

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12. Data structure Queue is also known as _____ list.

a.Last In First Out

b.First In Last Out

c.First In First Out

d.All of these

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13. If a user tries to remove an element from empty queue, it is called _____.

a.Empty collection

b.Garbage Collection

c.Underflow

d.Overflow

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14. The process of removing an element from stack is called:

a.Pop

b.Create

c.Evaluation

d.Push

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15. To read the entire content of file (file object ‘f’)?

a.f.reads( )

b.f.read( * )

c.f.read( )

d.f.read(all)

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16. Function to read data from Text File?

a.read( )

b.writelines( )

c.pickle( )

d.dump( )

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17. Data structure stack is also known as _____ list.

a.First In First Out

b.All of these

c.Last In First Out

d.Last In Last Out

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18. What is the result of math.fsum([.1 for i in range(10)])?

a.1

b.10

c.1.0000000000100000

d.1.0

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19. To add a new element to a list we use which Python command?

a.list1.append(5)

b.list1.addEnd(5)

c.list1.add(5)

d.list1.addLast(5)

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20. Python identifiers are case-sensitive.

a.Depends on Program

b.TRUE

c.FALSE

d.Depends on the computer system

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21. Question

a.0 1

b.0.0 1.0

c.error

d.none of the mentioned

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22. Stack can be implemented using _________ and ________ ?

a.Array and Binary Tree

b.Array and Linked List

c.Linked List and Graph

d.Queue and Linked List

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23. Which of the following statements is used to create an empty set in Python?

a.set()

b.[ ]

c.( )

d.{ }

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24. Question

a.ii,i,iv,iii,v,vi

b.i,ii,iii,iv,v,vi

c.i,ii,iii,iv,vi,v

d.ii,i,iii,iv,v,vi

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25. Question

a.{'$', 'b', 'e', 'a', 'c', 'd'}

b.{'a', 'c', 'b', 'e', 'd', '$'}

c.{'a', 'd', '$', 'c', 'e', 'b'}

d.{'d', 'a', 'c', '$', 'b', 'e'}

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26. Question

a.{‘a’, ‘b’, ‘c’, ‘p’, ‘q’, ‘san’}

b.{‘abc’, ‘p’, ‘q’, ‘san’}

c.{‘a’, ‘b’, ‘c’, [‘p’, ‘q’], ‘san}

d.{'q', 'a', 'b', 'c', 'p', 'san'}

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27. Question

a.Hello bin and bin

b.Hello (‘foo’, ‘bin’) and (‘foo’, ‘bin’)

c.None of the mentioned

d.Hello foo and bin

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28. Question

a.5.6

b.6

c.5.5

d.5

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29. Question

a.dc

b.ab

c.a

d.cd

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30. The process of inserting an element in stack is called:

a.Push

b.Evaluation

c.Create

d.Pop

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31. Question

a.3 1

b.2 1

c.4 2

d.2 4

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32. Pushing an element into stack already having ten elements and stack has fixed size of 10, then _____ occurs.

a.User flow

b.Overflow

c.Underflow

d.Crash

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To summarize, revising for free using our MCQs on Class 12 Computer Science Unit 1 Computational Thinking and Programming 2 is highly beneficial for scoring full marks on the CUET 2026 Computer Science exam. We provide a sophisticated online test platform tailored for unlimited practice through proficiently crafted questions built on the most recent syllabus and exam pattern. Practicing MCQs regularly will boost conceptual understanding as they are significant for objective assessments. Start practicing now to succeed in your CUET 2026 Computer Science exam!

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