Processor registers are used to: MCQ with Answer and Explanation

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Processor registers are used to:

A. Hold data and instructions for immediate processing

B. Control peripheral devices

C. Store data permanently

D. Perform input operations

Answer: Option A

Solution (By JKSSB Mock Tests)

Registers provide fast temporary storage within the CPU for quick access by ALU.

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

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Practice More CPU (Central Processing Unit) Questions

Question #1

The associativity in cache means:

A. Speed of access

B. Number of places a block can go

C. Size of cache

D. Write policy

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Correct Answer: Option B

Explanation:
Affects conflict misses.

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

Question #2

The fetch width in superscalar CPUs refers to:

A. Data bus width

B. Number of instructions fetched per cycle

C. Register size

D. Cache line

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Correct Answer: Option B

Explanation:
Affects instruction throughput.

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

Question #3

Apple Silicon like M-series uses:

A. ARM-based architecture

B. No CPU

C. x86 only

D. CISC heavy

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Correct Answer: Option A

Explanation:
Custom ARM chips for Macs.

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

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