The reorder buffer enables: MCQ with Answer and Explanation

Question

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The reorder buffer enables:

A. Reduced registers

B. In-order commit with out-of-order execution

C. In-order execution only

D. No speculation

Answer: Option B

Solution (By JKSSB Mock Tests)

It maintains program order.

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

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Question #1

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Dynamic frequency scaling is also known as:

A. Overclocking

B. Static speed

C. Underclocking only

D. CPU throttling or DVFS

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Correct Answer: Option D

Explanation:
It adjusts frequency based on workload.

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

Question #2

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The shadow registers or checkpointing is for:

A. Display

B. Storage

C. Speculative execution recovery

D. Normal operations

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Correct Answer: Option C

Explanation:
To rollback on mis-speculation.

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

Question #3

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Which feature allows dynamic core frequency adjustment?

A. Fixed frequency

B. No adjustment

C. SpeedStep or Cool'n'Quiet

D. Static voltage

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Correct Answer: Option C

Explanation:
Intel and AMD power management.

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

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