Instruction fusion combines: MCQ with Answer and Explanation

Question

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Instruction fusion combines:

A. Caches

B. Multiple instructions into one micro-op

C. Cores

D. Buses

Answer: Option B

Solution (By JKSSB Mock Tests)

Improves decode and execution efficiency.

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

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Question #1

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Adaptive voltage and frequency scaling (AVFS) optimizes:

A. Fixed settings

B. No scaling

C. Per core or per die power-performance

D. Maximum voltage

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Correct Answer: Option C

Explanation:
Dynamic adjustment.

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

Question #2

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The physical address is generated from:

A. Direct from registers

B. Virtual address via MMU

C. ALU output

D. CU only

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Correct Answer: Option B

Explanation:
Memory Management Unit handles translation.

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

Question #3

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The front-end of CPU pipeline includes:

A. Writeback

B. Memory access

C. Execute only

D. Fetch and decode

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Correct Answer: Option D

Explanation:
Prepares instructions for execution.

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

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