Which mitigates Meltdown vulnerability? MCQ with Answer and Explanation

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Which mitigates Meltdown vulnerability?

A. Kernel page table isolation and hardware fixes

B. More ALUs

C. Cache increase

D. Higher clock

Answer: Option A

Solution (By JKSSB Mock Tests)

Separation of user and kernel memory.

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

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Question #1

The fetch stage involves:

A. Writing back results

B. Decoding only

C. Retrieving instruction using Program Counter

D. Executing math

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Correct Answer: Option C

Explanation:
PC is used to fetch from memory.

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

Question #2

Which is a characteristic of ARM processors?

A. CISC architecture

B. Energy efficiency for mobile devices

C. Limited to servers

D. High power consumption desktops

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Correct Answer: Option B

Explanation:
They dominate mobile and embedded markets.

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

Question #3

The retire stage in pipeline:

A. Decodes

B. Fetches

C. Executes only

D. Commits results of executed instructions

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Correct Answer: Option D

Explanation:
It ensures in-order completion where necessary.

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

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