The shadow registers or checkpointing is for: MCQ with Answer and Explanation

Question Report Error

The shadow registers or checkpointing is for:

A. Speculative execution recovery

B. Normal operations

C. Display

D. Storage

Answer: Option A

Solution (By JKExamLibrary)

To rollback on mis-speculation.

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

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Practice More CPU (Central Processing Unit) Questions

Question #1 Report Error

RISC architecture is characterized by:

A. Complex instructions

B. Simple instructions and more registers

C. No registers

D. Only software implementation

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Correct Answer: Option B

Explanation:
Reduced Instruction Set Computing uses simpler instructions for efficiency.

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

Question #2 Report Error

The physical register file is used in:

A. Register renaming implementations

B. Memory controllers

C. No modern CPU

D. Basic scalar processors

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Correct Answer: Option A

Explanation:
Larger than architectural registers.

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

Question #3 Report Error

FMA instruction stands for:

A. Fetch Memory Address

B. Fast Memory Access

C. Flag Management Algorithm

D. Fused Multiply-Add

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Correct Answer: Option D

Explanation:
Performs multiplication and addition in one step.

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

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