Exam-style question
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Which dedicated register stores the address of the next instruction to be fetched?.
- A.Memory address register
- B.Program counter
- C.Current instruction register
- D.Status register
Model answer
What a good answer should say
- Program counter
Explanation
Why this works
The program counter stores the address of the next instruction to be fetched. The memory address register stores an address being accessed in memory, the current instruction register stores the instruction being processed, and the status register stores information about the result of an operation.
Common mistake
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