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May 2025 term · Computer System Design · BSCS3031

Computer System Design Quiz 1: 13 July 2025 (May 2025 term)

The IIT Madras BS Computer System Design (Computer System Design) Quiz 1 paper sat on 13 Jul 2025, in the May 2025 term: 12 questions for 50 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
12
Marks
50
Duration
120 min
MCQ
6
Numerical
5
Written
1
Take as mock testPractise with answers

Updated

Official paper: IIT M DEGREE AN EXAM QDB2 13 July 2025 · No negative marking.

Question 1

+4 marksOne correct option

If (143)a = (212)b, where a and b are the bases of the respective numbers, what are the values of a and b?

  1. A

    a = 6, b = 5

  2. B

    a = 8, b = 5

  3. C

    a = 7, b = 6

  4. D

    a = 9, b = 7

  5. E

    a = 5, b = 4

Show answer

Correct answer

  • C

    a = 7, b = 6

Question 1 on its own page

Question 2

+4 marksOne correct option
  1. A
  2. B
  3. C
  4. D
Show answer

Correct answer

  • B
Question 2 on its own page

Question 3

+4 marksOne correct option
  1. A

    Exactly one input is at logic 1

  2. B

    All inputs are at logic 1

  3. C

    Any two inputs are at logic 0

  4. D

    Any even number of inputs are at logic 1

Show answer

Correct answer

  • A

    Exactly one input is at logic 1

Question 3 on its own page

Question 4

+4 marksOne correct option
  1. A
  2. B
  3. C
  4. D
Show answer

Correct answer

  • C
Question 4 on its own page

Question 5

+5 marksOne correct option
  1. A
  2. B
  3. C
  4. D
  5. E
Show answer

Correct answer

  • B
Question 5 on its own page

Question 6

+5 marksOne correct option
  1. A

    0.75

  2. B

    0.33

  3. C

    0.25

  4. D

    0.50

  5. E

    1

  6. F

    None of these

Show answer

Correct answer

  • D

    0.50

Question 6 on its own page

Question 7

+5 marksNumerical answer
Show answer

Correct answer: 2

Question 7 on its own page

Question 8

+5 marksNumerical answer
Show answer

Correct answer: 3

Question 8 on its own page

Question 9

+3 marksWritten answer
Show answer

Correct answer: A3

Question 9 on its own page

Question 10

+3 marksNumerical answer

Given that the NOT gate has a delay of 1 ns, and 2-input AND/OR gates have delays of 2 ns, what will be the maximum delay of a 2x1 multiplexer circuit?
Note: if the answer is 1 ns, write 1.

Show answer

Correct answer: 5

Question 10 on its own page

Question 11

+4 marksNumerical answer
Show answer

Correct answer: 4

Question 11 on its own page

Question 12

+4 marksNumerical answer
Show answer

Correct answer: 2

Question 12 on its own page