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

The zero flag is set when:

A. Overflow happens

B. Result of operation is zero

C. Carry occurs

D. Negative result

Answer: Option B

Useful for conditional branching.

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

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Question #1 Report Error

Which stage follows execution in classic pipeline?

A. Memory access and write-back

B. Fetch

C. Issue

D. Decode

Correct Answer: Option A

Explanation:
Completes data operations.

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

Question #2 Report Error

Stack Pointer is a type of:

A. Data register

B. Status register

C. Address register

D. Accumulator

Correct Answer: Option C

Explanation:
It points to the top of the stack in memory for function calls.

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

Question #3 Report Error

Which of the following is a type of register that holds the address of the next instruction?

A. Program Counter

B. Memory Address Register

C. Instruction Register

D. Accumulator

Correct Answer: Option A

Explanation:
The Program Counter (PC) keeps track of the address of the next instruction to be executed.

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