Superscalar architecture allows: MCQ with Answer and Explanation

Superscalar architecture allows:

A. No pipelining

B. Slower execution

C. Multiple instructions per cycle

D. Single instruction per cycle

Answer: Option C

It executes more than one instruction per clock cycle.

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

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Question #1 Report Error

Which factor does not directly affect CPU performance?

A. Manufacturing process

B. Number of USB ports

C. Cache size, cores, clock speed

D. Architecture efficiency

Correct Answer: Option B

Explanation:
USB ports are peripheral and do not impact core processing.

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

Question #2 Report Error

The execution unit in CPU may include:

A. Multiple specialized ALUs and FPUs

B. Memory only

C. Single unit only

D. No units

Correct Answer: Option A

Explanation:
For different types of operations.

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

Question #3 Report Error

The retire stage in pipeline:

A. Executes only

B. Commits results of executed instructions

C. Fetches

D. Decodes

Correct Answer: Option B

Explanation:
It ensures in-order completion where necessary.

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