Exam-style question
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What is the role of the memory address register (MAR)?.
- A.It stores the address in memory that is being accessed
- B.It stores the instruction currently being executed
- C.It stores the result produced by the arithmetic logic unit
- D.It stores the next instruction after it has been decoded
Model answer
What a good answer should say
- It stores the address in memory that is being accessed
Explanation
Why this works
The MAR holds the address of the memory location involved in a read or write operation.
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