cs3031_2025T3_Q1_NA.pdf
Computer Systems Design · Quiz 1 · Sep 2025
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Questions and published explanations below are available without starting a test. Some questions may not have a published solution yet.
Question 164 MCQ · 3.0 marks
[[IMAGE:e865106b73cb3748_3_1]]

AND, NOT
OR, XOR
AND, OR
NOT, AND
NOT, XOR
XOR, OR
XOR, AND
A published solution is not available for this question yet.
Question 165 MCQ · 4.0 marks
If (234)a = (143)b, where a and b are the bases of the respective numbers, what are the values of a
and b?
a = 3, b = 4
a = 4,b = 5
a = 5, b = 6
a = 6, b = 7
a = 7, b = 8
A published solution is not available for this question yet.
Question 166 MCQ · 4.0 marks
What will be the output of the given circuit, as shown below?
[[IMAGE:e865106b73cb3748_4_2]]

[[IMAGE:e865106b73cb3748_4_3]]

[[IMAGE:e865106b73cb3748_4_4]]

[[IMAGE:e865106b73cb3748_4_5]]

[[IMAGE:e865106b73cb3748_4_6]]

A published solution is not available for this question yet.
Question 167 MCQ · 4.0 marks
[[IMAGE:e865106b73cb3748_4_7]]

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
A published solution is not available for this question yet.
Question 168 MCQ · 4.0 marks
[[IMAGE:e865106b73cb3748_5_8]]

[[IMAGE:e865106b73cb3748_5_9]]

[[IMAGE:e865106b73cb3748_5_10]]

[[IMAGE:e865106b73cb3748_5_11]]

[[IMAGE:e865106b73cb3748_5_12]]

[[IMAGE:e865106b73cb3748_5_13]]

A published solution is not available for this question yet.
Question 169 MCQ · 5.0 marks
[[IMAGE:e865106b73cb3748_5_14]]

[[IMAGE:e865106b73cb3748_5_15]]

[[IMAGE:e865106b73cb3748_6_16]]

[[IMAGE:e865106b73cb3748_6_17]]

[[IMAGE:e865106b73cb3748_6_18]]

[[IMAGE:e865106b73cb3748_6_19]]

A published solution is not available for this question yet.
Question 170 MCQ · 5.0 marks
Consider the circuit shown below. Given that the inputs are supplied uniformly random,what is the
probability of the output Y being at logic 0?
[[IMAGE:e865106b73cb3748_6_20]]

0.75
0.50
0.33
0.25
1
A published solution is not available for this question yet.
Question 171 NAT · 3.0 marks
Given that **NOT**, 2-input **AND/OR** gates have delays of 1 ns, what will be the maximum delay of a
**3x8** Decoder circuit?
Note: if the answer is 1 ns, write 1.
A published solution is not available for this question yet.
Question 172 NAT · 3.0 marks
What is the minimum number of bits required to represent number (128)10 in binary ?
A published solution is not available for this question yet.
Question 173 NAT · 5.0 marks
[[IMAGE:e865106b73cb3748_7_21]]

A published solution is not available for this question yet.
Question 174 NAT · 5.0 marks
Consider the circuit diagram shown below.
[[IMAGE:e865106b73cb3748_8_22]]
Given that we only have 4:1 mux gates, what is the minimum number of mux gates needed to
represent the circuit diagram above?

A published solution is not available for this question yet.
Question 175 NAT · 5.0 marks
Answer the given question based on given timing diagram.
[[IMAGE:e865106b73cb3748_8_23]]
Given that we only have 2-input NOR gates, what is the minimum number of NOR gates needed to
represent a circuit with an output timing diagram same as Y?

A published solution is not available for this question yet.