The reorder buffer in out-of-order CPUs helps maintain: MCQ with Answer and Explanation

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The reorder buffer in out-of-order CPUs helps maintain:

A. Program order for retirement

B. ALU speed

C. Memory size

D. Faster fetch

Answer: Option A

Solution (By JKSSB Mock Tests)

Ensures correct sequential appearance of results.

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

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Question #1

A CPU socket is:

A. The physical interface on motherboard

B. Type of register

C. Software program

D. Cache type

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Correct Answer: Option A

Explanation:
It holds and connects the CPU chip.

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

Question #2

The term 'CPU throttling' refers to:

A. Increasing speed

B. Reducing clock speed to manage heat

C. Changing architecture

D. Adding more cores

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Correct Answer: Option B

Explanation:
Dynamic frequency scaling to control temperature and power.

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

Question #3

The decode stage may involve:

A. Complex decoding for variable length instructions

B. ALU computation

C. Simple fixed length only

D. No decoding

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Correct Answer: Option A

Explanation:
In x86 especially.

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

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