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. Higher clock speeds and better IPC

B. More USB ports

C. Larger secondary storage

D. More slow cores

Answer: Option A

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

Which component is responsible for instruction sequencing?

A. ALU

B. Program Counter in CU

C. I/O ports

D. Cache

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Correct Answer: Option B

Explanation:
Program Counter manages the sequence of instruction fetch.

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

Question #2

Which is a common mobile CPU series?

A. Intel Core i9

B. EPYC

C. Qualcomm Snapdragon

D. AMD Threadripper

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Correct Answer: Option C

Explanation:
ARM-based for smartphones.

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

Question #3

The decode stage may involve:

A. Complex decoding for variable length instructions

B. Simple fixed length only

C. No decoding

D. ALU computation

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Correct Answer: Option A

Explanation:
In x86 especially.

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

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