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. Question

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

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

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

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

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

a.[ ]

b.{ }

c.set()

d.( )

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3. Question

a.5 10 15 40

b.70 20 90 40

c.2 4 6 8

d.1 2 3

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

a.Underflow

b.User flow

c.Crash

d.Overflow

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

a.f.read( * )

b.f.read(all)

c.f.read( )

d.f.reads( )

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

a.Last In Last Out

b.Last In First Out

c.All of these

d.First In First Out

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

a.print(len(t))

b.t[3] = 45

c.print(max(t))

d.print(t[3])

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8. Question

a.Hello foo and bin

b.None of the mentioned

c.Hello bin and bin

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

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9. Question

a.4 2

b.2 1

c.3 1

d.2 4

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10. Question

a.6s blank spaces after Online-Test

b.6s blank spaces before Online and Test

c.6s blank spaces before Online-Test

d.no change

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

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

b.All of the mentioned

c.In Python all functions should have a docstring

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

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

a.1.0

b.1

c.1.0000000000100000

d.10

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

a.System function

b.Custom function

c.User function

d.Built-in function & User defined function

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14. Question

a.5.5

b.5.6

c.6

d.5

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

a.Overflow

b.Empty collection

c.Garbage Collection

d.Underflow

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

a.Evaluation

b.Create

c.Pop

d.Push

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17. Python identifiers are case-sensitive.

a.TRUE

b.Depends on the computer system

c.FALSE

d.Depends on Program

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18. The process of pickling in Python includes ____________

a.conversion of a byte stream into Python object hierarchy

b.conversion of a datatable into a list

c.conversion of a Python object hierarchy into byte stream

d.conversion of a list into a datatable

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

a.pass

b.nonlocal

c.assert

d.eval

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20. Question

a.110

b.1101

c.1001

d.Infinite loop

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21. Python identifiers are case-sensitive.

a.FALSE

b.TRUE

c.Depends on the computer system

d.Depends on Program

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22. Stack can be implemented using _________ and ________ ?

a.Queue and Linked List

b.Array and Binary Tree

c.Array and Linked List

d.Linked List and Graph

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

a.Pop

b.Evaluation

c.Push

d.Create

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24. Function to read data from Text File?

a.read( )

b.writelines( )

c.dump( )

d.pickle( )

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

a.Last In First Out

b.All of these

c.First In First Out

d.First In Last Out

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26. Question

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

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

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

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

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

a.list1.add(5)

b.list1.addEnd(5)

c.list1.append(5)

d.list1.addLast(5)

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28. Question

a.ab

b.dc

c.cd

d.a

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

a.append mode

b.write mode

c.Both of the above

d.None of the above

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30. Question

a.{‘abc’, ‘p’, ‘q’, ‘san’}

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

c.{‘a’, ‘b’, ‘c’, [‘p’, ‘q’], ‘san}

d.{‘a’, ‘b’, ‘c’, ‘p’, ‘q’, ‘san’}

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31. Question

a.none of the mentioned

b.1 2

c.1 2 3

d.error

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32. Question

a.error

b.none of the mentioned

c.0.0 1.0

d.0 1

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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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