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    Question

    What is the role of the Memory Address Register

    (MAR)?  
    A To store the data being transferred. Correct Answer Incorrect Answer
    B To hold the memory address for the next operation. Correct Answer Incorrect Answer
    C To keep the instruction currently in execution. Correct Answer Incorrect Answer
    D To act as a buffer for temporary data. Correct Answer Incorrect Answer
    E None of the above. Correct Answer Incorrect Answer

    Solution

    The Memory Address Register (MAR) holds the memory location address where data is to be read from or written to.  

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