Which is a measure of CPU efficiency? MCQ with Answer and Explanation

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Which is a measure of CPU efficiency?

A. Color of chip

B. Size of case

C. Performance per watt

D. Number of fans

Answer: Option C

Solution (By JKExamLibrary)

Important for mobile and data center applications.

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

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Practice More CPU (Central Processing Unit) Questions

Question #1 Report Error

Return stack buffer helps predict:

A. Cache hits

B. Data loads

C. ALU results

D. Function returns accurately

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Correct Answer: Option D

Explanation:
For CALL/RET pairs.

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

Question #2 Report Error

Instruction fusion combines:

A. Caches

B. Multiple instructions into one micro-op

C. Buses

D. Cores

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Correct Answer: Option B

Explanation:
Improves decode and execution efficiency.

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

Question #3 Report Error

Which architecture uses condition codes extensively?

A. Only CISC

B. No modern CPU

C. Many RISC designs

D. Quantum processors

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Correct Answer: Option C

Explanation:
Flags guide conditional execution.

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

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