Which helps mitigate Spectre attacks? MCQ with Answer and Explanation

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Which helps mitigate Spectre attacks?

A. Larger cache

B. More cores

C. Hardware fences and speculation barriers

D. Higher TDP

Answer: Option C

Solution (By JKSSB Mock Tests)

Processor and OS level mitigations.

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

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Question #1

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The combination of ALU and CU forms the:

A. Input Unit

B. Output Unit

C. Central Processing Unit

D. Memory Unit

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Correct Answer: Option C

Explanation:
ALU and CU, along with registers, constitute the CPU.

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

Question #2

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Processor registers are used to:

A. Control peripheral devices

B. Hold data and instructions for immediate processing

C. Store data permanently

D. Perform input operations

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Correct Answer: Option B

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

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

Question #3

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The reservation station holds:

A. Fetched raw

B. Committed instructions

C. Instructions waiting for operands

D. Retired uops

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Correct Answer: Option C

Explanation:
In Tomasulo's algorithm style.

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

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