The micro-operation (micro-op) is: MCQ with Answer and Explanation

Question Report Error

The micro-operation (micro-op) is:

A. Memory block

B. User command

C. Low-level operation in complex instructions

D. High level code

Answer: Option C

Solution (By JKExamLibrary)

CISC instructions are broken into simpler micro-ops.

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

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Practice More CPU (Central Processing Unit) Questions

Question #1 Report Error

Which is true about CPU temperature management?

A. Handled only by software

B. Requires heat sinks and fans

C. Irrelevant for performance

D. Not important

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Correct Answer: Option B

Explanation:
Proper cooling is essential to prevent throttling and damage.

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

Question #2 Report Error

In CPU, 'retirement' refers to:

A. Decoding phase

B. Committing instruction results to architectural state

C. Fetching instructions

D. Memory access

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Correct Answer: Option B

Explanation:
It completes the instruction lifecycle.

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

Question #3 Report Error

The retirement queue tracks:

A. Fetched only

B. Memory requests

C. Instructions in flight for in-order commit

D. Decoded uops

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Correct Answer: Option C

Explanation:
Maintains correctness.

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

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