The coherence protocol like MESI is for: MCQ with Answer and Explanation

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The coherence protocol like MESI is for:

A. Power saving

B. Instruction fetch

C. Cache coherence in multi-core systems

D. ALU operations

Answer: Option C

Solution (By JKSSB Mock Tests)

Maintains consistent data across caches.

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

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Practice More CPU (Central Processing Unit) Questions

Question #1

The Program Status Word (PSW) contains:

A. Data operands

B. Condition codes and status information

C. Instruction address only

D. Memory map

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Correct Answer: Option B

Explanation:
It holds processor state.

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

Question #2

Which is a key metric for laptop CPUs?

A. Maximum TDP only

B. Core count irrelevant

C. Size of packaging

D. Performance per watt and thermal envelope

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Correct Answer: Option D

Explanation:
Balances performance and battery life.

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

Question #3

The translation lookaside buffer (TLB) caches:

A. Data values

B. Instructions

C. Virtual to physical address translations

D. Control signals

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Correct Answer: Option C

Explanation:
Speeds up memory address translation.

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

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