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    Question

    Which of the following is a semiconductor

    memory?
    A Pen Drive Correct Answer Incorrect Answer
    B CD-ROM Correct Answer Incorrect Answer
    C Magnetic Tape Correct Answer Incorrect Answer
    D Bubble memory Correct Answer Incorrect Answer
    E Floppy Disk Correct Answer Incorrect Answer

    Solution

    Bubble memory, Hard Disk, Floppy Disk, Magnetic Tape ------ These are magnetic devices, CD-ROM ------ is optical device Thumb drive (or pen drive) ------ is semiconductor memory

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