Which of the following enhances CPU performance without changing architecture? MCQ with Answer and Explanation

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Which of the following enhances CPU performance without changing architecture?

A. Lowering voltage

B. Removing ALU

C. Increasing cache size

D. Decreasing registers

Answer: Option C

Solution (By JKSSB Mock Tests)

Larger cache reduces memory access latency.

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

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Practice More CPU (Central Processing Unit) Questions

Question #1

Which is a measure of CPU efficiency?

A. Number of fans

B. Color of chip

C. Performance per watt

D. Size of case

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Correct Answer: Option C

Explanation:
Important for mobile and data center applications.

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

Question #2

Register renaming solves:

A. Control hazards

B. Cache misses

C. Write-after-read and write-after-write hazards

D. Interrupt handling

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Correct Answer: Option C

Explanation:
It eliminates false dependencies.

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

Question #3

A CPU's process node size (like 7nm) refers to:

A. Manufacturing technology affecting density and efficiency

B. Clock speed

C. Number of pins

D. Cache size

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Correct Answer: Option A

Explanation:
Smaller nodes allow more transistors and lower power.

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

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