A stride prefetcher predicts: MCQ with Answer and Explanation

Question

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A stride prefetcher predicts:

A. Access patterns with regular intervals

B. Branch targets

C. Power states

D. Random access

Answer: Option A

Solution (By JKSSB Mock Tests)

Common in array accesses.

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

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Question #1

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The write-back cache policy:

A. Never writes

B. Writes data to memory immediately

C. Reads only

D. Delays write to memory until needed

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Correct Answer: Option D

Explanation:
It improves performance by reducing memory writes.

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

Question #2

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The retirement queue tracks:

A. Instructions in flight for in-order commit

B. Memory requests

C. Decoded uops

D. Fetched only

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Correct Answer: Option A

Explanation:
Maintains correctness.

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

Question #3

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Vector processing is useful for:

A. Parallel operations on arrays of data

B. Single data operations

C. Text processing only

D. Database queries

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Correct Answer: Option A

Explanation:
SIMD (Single Instruction Multiple Data) for scientific computing.

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

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