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

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The shadow registers or checkpointing is for:

A. Normal operations

B. Speculative execution recovery

C. Storage

D. Display

Answer: Option B

Solution (By JKSSB Mock Tests)

To rollback on mis-speculation.

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

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Question #1

In Harvard architecture, there are:

A. Shared memory

B. Only registers

C. No memory

D. Separate memories for instructions and data

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Correct Answer: Option D

Explanation:
It allows simultaneous access to instructions and data.

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

Question #2

Which is a measure of CPU efficiency?

A. Number of fans

B. Size of case

C. Performance per watt

D. Color of chip

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Correct Answer: Option C

Explanation:
Important for mobile and data center applications.

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

Question #3

The number of transistors in modern CPUs follows:

A. Moore's Law trend

B. Decreasing trend

C. No change

D. Irrelevant

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Correct Answer: Option A

Explanation:
Transistor count doubles approximately every two years.

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

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