The latency of register access is: MCQ with Answer and Explanation

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The latency of register access is:

A. Hundreds of cycles

B. Same as main memory

C. 1 clock cycle or less

D. Variable by design

Answer: Option C

Solution (By JKSSB Mock Tests)

Registers are the fastest storage.

This question belongs to: Computer CPU (Central Processing Unit)

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Practice More CPU (Central Processing Unit) Questions

Question #1

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Which architecture uses condition codes extensively?

A. Only CISC

B. Many RISC designs

C. No modern CPU

D. Quantum processors

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Correct Answer: Option B

Explanation:
Flags guide conditional execution.

This question belongs to: Computer CPU (Central Processing Unit)

Question #2

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The ALU can perform:

A. Only addition

B. Storage only

C. Shift operations in some designs

D. No comparisons

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Correct Answer: Option C

Explanation:
ALU typically supports arithmetic, logic, and bit manipulation including shifts.

This question belongs to: Computer CPU (Central Processing Unit)

Question #3

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The reorder buffer in out-of-order CPUs helps maintain:

A. Faster fetch

B. ALU speed

C. Program order for retirement

D. Memory size

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Correct Answer: Option C

Explanation:
Ensures correct sequential appearance of results.

This question belongs to: Computer CPU (Central Processing Unit)

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