Which is a measure of CPU efficiency? MCQ with Answer and Explanation

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Which is a measure of CPU efficiency?

A. Size of case

B. Performance per watt

C. Color of chip

D. Number of fans

Answer: Option B

Solution (By JKSSB Mock Tests)

Important for mobile and data center applications.

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

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Question #1

The Memory Address Register (MAR) holds:

A. The data to be written

B. Control signals

C. The address of memory location

D. The result of ALU

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Correct Answer: Option C

Explanation:
MAR contains the address for memory read or write operations.

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

Question #2

Graphene or future materials may impact:

A. Software

B. Transistor technology beyond silicon

C. Current designs

D. Cooling only

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Correct Answer: Option B

Explanation:
Potential for better performance.

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

Question #3

CPU security features like CET protect against:

A. Thermal issues

B. Data leaks only

C. Power attacks

D. Control flow attacks

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Correct Answer: Option D

Explanation:
Intel Control-flow Enforcement Technology.

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

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