The loop buffer or uop cache stores: MCQ with Answer and Explanation

Question Report Error

The loop buffer or uop cache stores:

A. Decoded micro-operations for loops

B. Power states

C. Addresses

D. Data from memory

Answer: Option A

Solution (By JKExamLibrary)

Reduces power by avoiding repeated decode.

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

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Practice More CPU (Central Processing Unit) Questions

Question #1 Report Error

The fill buffer in cache handles:

A. Branch buffer

B. Incoming cache line fills from memory

C. Instruction decode

D. ALU fills

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Correct Answer: Option B

Explanation:
During misses.

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

Question #2 Report Error

Which component interfaces CPU with other parts of motherboard?

A. Internal bus only

B. Chipset

C. Registers

D. ALU

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Correct Answer: Option B

Explanation:
Chipset provides communication pathways.

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

Question #3 Report Error

Branch misprediction leads to:

A. Better cache hit rate

B. Reduced power consumption

C. Increased clock speed

D. Pipeline flush and performance loss

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Correct Answer: Option D

Explanation:
Wrong prediction requires discarding speculative work.

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

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