Which factor does not directly affect CPU performance? MCQ with Answer and Explanation

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Which factor does not directly affect CPU performance?

A. Architecture efficiency

B. Manufacturing process

C. Cache size, cores, clock speed

D. Number of USB ports

Answer: Option D

Solution (By JKSSB Mock Tests)

USB ports are peripheral and do not impact core processing.

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

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Practice More CPU (Central Processing Unit) Questions

Question #1

The concept of 'dark silicon' refers to:

A. External connectors

B. Faulty transistors

C. Unused portions of chip due to power constraints

D. Cache memory

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Correct Answer: Option C

Explanation:
Power limits prevent using all transistors at full speed.

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

Question #2

Which flag indicates arithmetic overflow?

A. Carry flag

B. Sign flag

C. Zero flag

D. Overflow flag

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Correct Answer: Option D

Explanation:
It signals when a result exceeds representable range.

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

Question #3

Low precision computing in AI CPUs uses:

A. No precision

B. Only FP64

C. Integer only legacy

D. INT8 or FP16 for efficiency

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Correct Answer: Option D

Explanation:
Higher throughput.

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

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