The coherence directory is used in: MCQ with Answer and Explanation

The coherence directory is used in:

A. Cache less designs

B. Mobile only

C. Single core

D. Large scale multi-core systems

Answer: Option D

For directory-based coherence.

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

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Question #1 Report Error

The pipeline stall due to structural hazard happens when:

A. Cache miss

B. Branch taken

C. Two instructions need the same hardware resource

D. Data dependency

Correct Answer: Option C

Explanation:
Resource conflict.

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

Question #2 Report Error

A dual-core processor has:

A. Two complete processing units

B. One ALU and two CUs

C. Double the registers only

D. Half the speed

Correct Answer: Option A

Explanation:
It integrates two independent processing cores on one chip.

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

Question #3 Report Error

General Purpose Registers (GPRs) are used for:

A. Permanent storage

B. Only arithmetic operations

C. Input buffering

D. Temporary storage of data and addresses

Correct Answer: Option D

Explanation:
GPRs provide flexible temporary storage during program execution.

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