The zero flag is set when: MCQ with Answer and Explanation

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The zero flag is set when:

A. Overflow happens

B. Result of operation is zero

C. Carry occurs

D. Negative result

Answer: Option B

Solution (By JKSSB Mock Tests)

Useful for conditional branching.

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

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Question #1

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Which company introduced the first commercial microprocessor?

A. AMD

B. IBM

C. Intel with 4004

D. Motorola

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Correct Answer: Option C

Explanation:
In 1971.

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

Question #2

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Which is a benefit of multi-chip module (MCM) design?

A. Higher single-thread latency

B. Better binning and cost efficiency

C. Reduced core communication

D. Simpler cooling

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Correct Answer: Option B

Explanation:
Used in many modern high-core CPUs.

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

Question #3

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Which of the following is an example of a control register?

A. Data register

B. Accumulator

C. Flag register

D. General purpose register

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Correct Answer: Option C

Explanation:
Flag or status registers hold information about the state of the CPU after operations.

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

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