The dispatch buffer holds: MCQ with Answer and Explanation

The dispatch buffer holds:

A. Addresses only

B. Fetched but not decoded

C. Instructions ready for execution

D. Committed results

Answer: Option C

In out-of-order processors.

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

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Question #1 Report Error

Which is a measure of CPU efficiency?

A. Performance per watt

B. Number of fans

C. Size of case

D. Color of chip

Correct Answer: Option A

Explanation:
Important for mobile and data center applications.

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

Question #2 Report Error

Which extension provides hardware encryption acceleration?

A. FMA

B. AES-NI

C. AVX only

D. SSE4

Correct Answer: Option B

Explanation:
Speeds up AES algorithms.

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

Question #3 Report Error

The bus cycle includes:

A. Instruction decode

B. ALU operations only

C. Register transfer

D. Address, data, and control phases

Correct Answer: Option D

Explanation:
For communication with memory.

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