The execution cluster in CPU may contain: MCQ with Answer and Explanation

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The execution cluster in CPU may contain:

A. Multiple ALUs, FPUs, load/store units

B. Single unit

C. Cache only

D. Control logic

Answer: Option A

Solution (By JKSSB Mock Tests)

For parallel execution.

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

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Question #1

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The status of 'dirty' bit in cache indicates:

A. Shared data

B. Invalid entry

C. Modified data needing write-back

D. Clean data

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Correct Answer: Option C

Explanation:
For write-back policy.

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

Question #2

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The term 'CPU throttling' refers to:

A. Adding more cores

B. Reducing clock speed to manage heat

C. Changing architecture

D. Increasing speed

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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

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The Memory Buffer Register (MBR) holds:

A. Data being transferred to or from memory

B. Address only

C. Next program address

D. Control signals

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Correct Answer: Option A

Explanation:
It acts as a buffer for data movement between CPU and memory.

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

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