ARM processors are commonly used in: MCQ with Answer and Explanation

Question

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ARM processors are commonly used in:

A. Desktop only

B. High power servers only

C. Mobile devices due to power efficiency

D. No devices

Answer: Option C

Solution (By JKSSB Mock Tests)

They are known for low power consumption.

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

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Question #1

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Which unit coordinates the activities of all other units in the CPU?

A. Bus

B. CU

C. ALU

D. Register

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Correct Answer: Option B

Explanation:
The Control Unit directs the overall operation of the processor.

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

Question #2

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L1 cache is:

A. Closest and fastest cache to CPU core

B. Shared among all cores

C. Slower than L2

D. Part of main memory

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Correct Answer: Option A

Explanation:
L1 cache provides the quickest access for each core.

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

Question #3

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Which helps mitigate Spectre attacks?

A. More cores

B. Larger cache

C. Higher TDP

D. Hardware fences and speculation barriers

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Correct Answer: Option D

Explanation:
Processor and OS level mitigations.

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

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