Registers are faster than: MCQ with Answer and Explanation

Question

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Registers are faster than:

A. RAM

B. Hard disk

C. Cache memory

D. All of the above

Answer: Option D

Solution (By JKSSB Mock Tests)

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

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Power gating technique turns off:

A. Cache only

B. ALU permanently

C. Unused circuit blocks to save leakage power

D. All cores simultaneously

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Correct Answer: Option C

Explanation:
It improves energy efficiency.

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

Question #2

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Stack Pointer is a type of:

A. Data register

B. Status register

C. Accumulator

D. Address register

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Correct Answer: Option D

Explanation:
It points to the top of the stack in memory for function calls.

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

Question #3

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AES-NI is an example of:

A. Graphics feature

B. Hardware acceleration for encryption

C. Networking

D. Memory management

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Correct Answer: Option B

Explanation:
It speeds up cryptographic operations in CPU.

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

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