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    Question

    Which of the following memory has the lowest access

    time?
    A Cache Correct Answer Incorrect Answer
    B Registers Correct Answer Incorrect Answer
    C Magnetic disk Correct Answer Incorrect Answer
    D Main Memory Correct Answer Incorrect Answer

    Solution

    The access time order in increasing priority is: Registers>Cache memory>Main memory>Optical disk. Registers have the fastest access time as they are directly accessible by the CPU.

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