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September 2025 term · Computational Thinking · BSCS1001

Computational Thinking Quiz 1: 26 October 2025, Set 3 (September 2025 term)

The IIT Madras BS Computational Thinking (Computational Thinking (CT)) Quiz 1 paper sat on 26 Oct 2025, in the September 2025 term, set 3: 14 questions for 52 marks in 120 minutes. Every question is below with its answer. Take it as a timed mock test to be marked, or read it through first.

Questions
14
Marks
52
Duration
120 min
MCQ
12
MSQ
1
Written
1
Take as mock testPractise with answers

Updated

Official paper: IIT M IMPROVEMENT AN EXAM QIO2 26 Oct · No negative marking.

Question 1

+1 markOne correct option

THIS IS QUESTION PAPER FOR THE SUBJECT "FOUNDATION LEVEL : SEMESTER I: COMPUTATIONAL THINKING (COMPUTER BASED EXAM)" ARE YOU SURE YOU HAVE TO WRITE EXAM FOR THIS SUBJECT? CROSS CHECK YOUR HALL TICKET TO CONFIRM THE SUBJECTS TO BE WRITTEN. (IF IT IS NOT THE CORRECT SUBJECT, PLS CHECK THE SECTION AT THE TOP FOR THE SUBJECTS REGISTERED BY YOU)

  1. A

    YES

  2. B

    NO

Show answer

Correct answer

  • A

    YES

Question 1 on its own page

Question 2

+1 markOne correct option
Figure from the original question paper
  1. A

    Useful Data has been mentioned above.

  2. B

    This data attachment is just for a reference & not for an evaluation.

Show answer

Correct answer

  • A

    Useful Data has been mentioned above.

Question 2 on its own page

Question 3

+4 marksOne correct option
Figure from the original question paper
  1. A

    Number of words which are adjectives and have at most 3 letters

  2. B

    Number of words which are either not adjectives or have at most 3 letters butnot both

  3. C

    Number of words which are either adjectives or have at least 3 letters or both

  4. D

    Number of words which are not adjectives and have at least 3 letters

Show answer

Correct answer

  • D

    Number of words which are not adjectives and have at least 3 letters

Question 3 on its own page

Question 4

+4 marksOne correct option
Figure from the original question paper
  1. A

    a - (2), b - (3), c - (1), d - (1), e - (2)

  2. B

    a - (2), b - (1), c - (1), d - (5), e - (2)

  3. C

    a - (2), b - (1), c - (3), d - (1), e - (2)

  4. D

    a - (1), b - (2), c - (3), d - (1), e - (3)

Show answer

Correct answer

  • C

    a - (2), b - (1), c - (3), d - (1), e - (2)

Question 4 on its own page

Question 5

+4 marksOne correct option
Figure from the original question paper
  1. A

    Maximum number of books published by an author in a single year.

  2. B

    Maximum number of books published in a single year.

  3. C

    Number of authors who have published more than one book in a single year.

  4. D

    Number of authors who have published more than one book.

Show answer

Correct answer

  • A

    Maximum number of books published by an author in a single year.

Question 5 on its own page

Question 6

+4 marksOne correct option

The following pseudocode is executed using the “Library” dataset. At the end of the execution, A captures the number of pairs of books which are published in the same genre and in the same year but in different languages. But the pseudocode may have mistakes. Identify all such mistakes (if any). Assume that all statements not listed in the options below are free of errors.

The following pseudocode is executed using the “Library” dataset. At the end of the execution, A captures the number of pairs of books which are published in the same genre and in the same year but in different languages. But the pseudocode may have mistakes. Identify all such mistakes (if any). Assume that all statements not listed in the options below are free of errors.

The following pseudocode is executed using the “Library” dataset. At the end of the execution, A captures the number of
  1. A

    Line 9: B is updated with wrong value

  2. B

    Line 12: C is updated with wrong value

  3. C

    Line 15: D is updated in wrong place

  4. D

    No errors

Show answer

Correct answer

  • D

    No errors

Question 6 on its own page

Question 7

+4 marksOne correct option
Figure from the original question paper
  1. A

    Number of pairs of students who have different total marks

  2. B

    Number of pairs of students who have same total marks

  3. C

    Twice the number of pairs of students who have different total marks

  4. D

    Twice the number of pairs of students who have same total marks

Show answer

Correct answer

  • D

    Twice the number of pairs of students who have same total marks

Question 7 on its own page

Question 8

+4 marksOne correct option
Figure from the original question paper
  1. A
    Figure from the original question paper
  2. B
    Figure from the original question paper
  3. C
    Figure from the original question paper
  4. D
    Figure from the original question paper
Show answer

Correct answer

  • C
    Figure from the original question paper
Question 8 on its own page

Question 9

+4 marksOne correct option
Figure from the original question paper
  1. A

    Number of students having the same marks in all the three subjects

  2. B

    Number of students having distinct marks in all the three subjects

  3. C

    A will always be 0

  4. D

    Number of students having the same marks in any two subjects

Show answer

Correct answer

  • A

    Number of students having the same marks in all the three subjects

Question 9 on its own page

Question 10

+5 marksOne correct option

Based on the "Library" dataset, the Procedure biGenre(A) returns True if the author A has written more Fiction books than Non-Fiction books. Assume that the dataset has only these two genres. Choose the correct pseudocode for Procedure biGenre(A).

  1. A
    Figure from the original question paper
  2. B
    Figure from the original question paper
  3. C
    Figure from the original question paper
  4. D
    Figure from the original question paper
Show answer

Correct answer

  • B
    Figure from the original question paper
Question 10 on its own page

Question 11

+4 marksOne correct option
Figure from the original question paper
  1. A

    In both the pseudocodes, the value of A and B will be same.

  2. B

    In both the pseudocodes, the value of B will be same, but the value of A maybe different.

  3. C

    In both the pseudocodes, the value of A will be same, but the value of B maybe different.

  4. D

    In both the pseudocodes, the value of A and B may be different.

Show answer

Correct answer

  • B

    In both the pseudocodes, the value of B will be same, but the value of A maybe different.

Question 11 on its own page

Question 12

+4 marksOne correct option
Figure from the original question paper
  1. A

    count1 represents number of male students whose Mathematics marks aregreater than their Physics marks.

  2. B

    count1 represents number of male students or students whose Mathematicsmarks are greater than their Physics marks but not both.

  3. C

    count2 represents number of female students whose Mathematics marks aregreater than their Physics marks

  4. D

    count2 represents number of female students whose Mathematics marks areless than or equal to their Physics marks.

Show answer

Correct answer

  • D

    count2 represents number of female students whose Mathematics marks areless than or equal to their Physics marks.

Question 12 on its own page

Question 13

+4 marksOne or more correct options
Figure from the original question paper

Select all that apply.

  1. A
    Figure from the original question paper
  2. B
    Figure from the original question paper
  3. C
    Figure from the original question paper
  4. D
    Figure from the original question paper
Show answer

Correct answers

  • B
    Figure from the original question paper
  • C
    Figure from the original question paper
Question 13 on its own page

Question 14

+5 marksWritten answer
Figure from the original question paper
Show answer

A written answer, not marked automatically.

Question 14 on its own page