Branch misprediction leads to: MCQ with Answer and Explanation

Branch misprediction leads to:

A. Reduced power consumption

B. Better cache hit rate

C. Pipeline flush and performance loss

D. Increased clock speed

Answer: Option C

Wrong prediction requires discarding speculative work.

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

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Question #1 Report Error

Interrupt handling is managed by:

A. Registers only

B. ALU

C. External devices only

D. Control Unit

Correct Answer: Option D

Explanation:
CU responds to interrupts by saving state and handling requests.

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

Question #2 Report Error

SIMD instructions are useful in:

A. Simple text editing

B. Database sorting only

C. Networking

D. Graphics and multimedia processing

Correct Answer: Option D

Explanation:
They process multiple data elements with one instruction.

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

Question #3 Report Error

The loop stream detector:

A. Manages power

B. Recognizes and optimizes small loops

C. Detects cache misses

D. Handles branches

Correct Answer: Option B

Explanation:
Reduces front-end power.

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