The MESI protocol is used for: MCQ with Answer and Explanation

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The MESI protocol is used for:

A. Cache coherence

B. Power gating

C. Instruction fetch

D. ALU operations

Answer: Option A

Solution (By JKSSB Mock Tests)

Modified, Exclusive, Shared, Invalid states.

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

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Question #1

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The jump register instruction uses:

A. Memory indirect

B. Stack top

C. Immediate only

D. Register value as target address

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Correct Answer: Option D

Explanation:
For indirect jumps.

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

Question #2

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Which mitigates Meltdown vulnerability?

A. Cache increase

B. More ALUs

C. Higher clock

D. Kernel page table isolation and hardware fixes

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Correct Answer: Option D

Explanation:
Separation of user and kernel memory.

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

Question #3

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Which is not a CPU performance metric?

A. Benchmark scores

B. Temperature in Celsius

C. Power consumption

D. IPC, clock speed, cores

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Correct Answer: Option B

Explanation:
Temperature is a constraint, not direct performance measure.

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

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