Which unit performs logical operations like AND, OR? MCQ with Answer and Explanation

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Which unit performs logical operations like AND, OR?

A. ALU

B. Cache controller

C. Register file

D. CU only

Answer: Option A

Solution (By JKSSB Mock Tests)

Part of arithmetic logic capabilities.

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

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Question #1

The reorder buffer enables:

A. No speculation

B. In-order commit with out-of-order execution

C. In-order execution only

D. Reduced registers

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Correct Answer: Option B

Explanation:
It maintains program order.

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

Question #2

The loop stream detector:

A. Handles branches

B. Recognizes and optimizes small loops

C. Detects cache misses

D. Manages power

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Correct Answer: Option B

Explanation:
Reduces front-end power.

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

Question #3

The von Neumann bottleneck primarily refers to:

A. Limited memory bandwidth between CPU and memory

B. Register access time

C. Control unit delays

D. ALU processing speed

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Correct Answer: Option A

Explanation:
The shared bus for data and instructions limits throughput in von Neumann architecture.

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

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