Registers are faster than: MCQ with Answer and Explanation

Registers are faster than:

A. All of the above

B. Hard disk

C. RAM

D. Cache memory

Answer: Option A

Registers are the fastest storage in the computer hierarchy, located inside the CPU.

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

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Question #1 Report Error

Superscalar architecture allows:

A. Multiple instructions per cycle

B. Slower execution

C. Single instruction per cycle

D. No pipelining

Correct Answer: Option A

Explanation:
It executes more than one instruction per clock cycle.

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

Question #2 Report Error

The fetch-decode-execute cycle is also known as the:

A. Memory cycle

B. Control cycle

C. Instruction cycle

D. Data cycle

Correct Answer: Option C

Explanation:
It represents the basic operational cycle of the CPU for processing instructions.

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

Question #3 Report Error

Which helps mitigate Spectre attacks?

A. Higher TDP

B. More cores

C. Hardware fences and speculation barriers

D. Larger cache

Correct Answer: Option C

Explanation:
Processor and OS level mitigations.

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