Which is a common cause of CPU stalls? MCQ with Answer and Explanation

Which is a common cause of CPU stalls?

A. Cache miss or branch misprediction

B. High clock speed

C. Larger cache

D. More cores

Answer: Option A

Both increase pipeline bubbles.

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

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Question #1 Report Error

The translation lookaside buffer (TLB) caches:

A. Virtual to physical address translations

B. Control signals

C. Instructions

D. Data values

Correct Answer: Option A

Explanation:
Speeds up memory address translation.

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

Question #2 Report Error

Out-of-order execution primarily helps overcome:

A. Power constraints

B. Data dependencies and stalls

C. Memory capacity limits

D. Control flow changes

Correct Answer: Option B

Explanation:
It reorders instructions for better throughput.

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

Question #3 Report Error

Which feature allows dynamic core frequency adjustment?

A. Fixed frequency

B. Static voltage

C. No adjustment

D. SpeedStep or Cool'n'Quiet

Correct Answer: Option D

Explanation:
Intel and AMD power management.

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