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

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Which is a common cause of CPU stalls?

A. Larger cache

B. Cache miss or branch misprediction

C. High clock speed

D. More cores

Answer: Option B

Solution (By JKSSB Mock Tests)

Both increase pipeline bubbles.

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

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Practice More CPU (Central Processing Unit) Questions

Question #1

The accumulator is often used in:

A. All operations equally

B. No operations

C. Memory management

D. Implicit addressing

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Correct Answer: Option D

Explanation:
Many instructions implicitly use the accumulator.

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

Question #2

The micro-operation (micro-op) is:

A. Low-level operation in complex instructions

B. User command

C. High level code

D. Memory block

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Correct Answer: Option A

Explanation:
CISC instructions are broken into simpler micro-ops.

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

Question #3

A dual-core processor has:

A. Double the registers only

B. One ALU and two CUs

C. Half the speed

D. Two complete processing units

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Correct Answer: Option D

Explanation:
It integrates two independent processing cores on one chip.

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

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