engineering computer science MCQ #139

What is the primary function of the MAR (Memory Address Register)?

engineering computer science MCQ #139

  1. Question 1

    Q1. What is the primary function of the MAR (Memory Address Register)?

    • A) To store data being written to memory
    • B) To store the address of the data being accessed
    • C) To store the instruction opcode
    • D) To store the program counter

    Answer: To store the address of the data being accessed

    Explanation: MAR holds the memory address of the data being accessed. NET computer science MCQs often test this core concept.