Question 1
What is the minimum number of bits required to represent 16 different values?
2
5
4
3

The IIT Madras BS Computer System Design (Computer System Design) Quiz 1 paper sat on 29 Oct 2023, in the September 2023 term: 14 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.
What is the minimum number of bits required to represent 16 different values?
2
5
4
3
Correct answer
4
Consider the equation (16m)4 = (m6)n, where m and n are unknown. What is the number of possible solutions?
4
1
2
5
Correct answer
1
Which of the following circuits represents the minimized SOP circuit for the given truth table?
| A | B | C | F |
|---|---|---|---|
| 0 | 0 | 0 | 1 |
| 0 | 0 | 1 | 0 |
| 0 | 1 | 0 | 1 |
| 0 | 1 | 1 | 0 |
| 1 | 0 | 0 | 0 |
| 1 | 0 | 1 | 1 |
| 1 | 1 | 0 | 0 |
| 1 | 1 | 1 | 1 |
Correct answer
Consider the circuit shown on below. Given that the inputs are supplied uniformly randomly, what is the probability of the output F being at logic 0?
0.00
0.25
1
0.75
Correct answer
1
2 or more inputs are at logic 0
2 or more inputs are at logic 1
Any odd number of inputs are at logic 0
Any odd number of inputs are at logic 1
Correct answer
2 or more inputs are at logic 1
Correct answer: 4
AND, NOT
OR, NOT
NOT, OR
NOT, AND
Correct answer
OR, NOT
Correct answer
Consider the circuit shown below. Given that the inputs are supplied uniformly and randomly, the output of the given circuit diagram is independent of ___________.
Fill in the blank with appropriate option.
A and B
A, B and C
A
A, B, C and D
Correct answer
A, B, C and D
Answer the following question based on given timing diagram.
Given that we only have 3-input NAND gates, what is the minimum number of NAND gates needed to represent the timing diagram above?
Correct answer: 1
Consider the circuit diagram shown below.
What will be the outputs f 1 and f 2 for the circuit diagram above?
Correct answer
Based on the above data, answer the given subquestions.
What is the maximum number of memory locations that can be addressed with this 5-to-32 decoder?
Correct answer: 32
Based on the above data, answer the given subquestions.
If you want to access memory location 21 (in decimal), what would the binary input to the decoder be?
Correct answer: 10101
Consider the circuit diagram shown below.
Which of the following expressions can represent the function f(x, y, z)?
Correct answers