Which of the following improves single-threaded performance significantly? MCQ with Answer and Explanation

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Which of the following improves single-threaded performance significantly?

A. More slow cores

B. Larger secondary storage

C. More USB ports

D. Higher clock speeds and better IPC

Answer: Option D

Solution (By JKSSB Mock Tests)

Key for many applications not parallelized.

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

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Question #1

In-order execution processors are simpler but may have:

A. Higher complexity

B. Always better performance

C. Lower IPC in some workloads

D. No pipeline

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Correct Answer: Option C

Explanation:
Due to stalls on dependencies.

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

Question #2

Which is essential for virtualization?

A. Basic ALU

B. Small cache

C. Hardware-assisted virtualization extensions

D. Low core count

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Correct Answer: Option C

Explanation:
Like VT-x or AMD-V.

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

Question #3

The bus that carries data between CPU and memory is called:

A. Address bus

B. Control bus

C. Data bus

D. System bus

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Correct Answer: Option C

Explanation:
Data bus transfers actual data values.

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

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