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    Subject

    Computer Science

    Topic

    Computer Hardware

    A standard IDE (PATA) interface cable uses how many pins on the header?

    a)
    25
    b)
    50
    c)
    100
    d)
    40

    Explanation

    Classic IDE is 40-pin (with 40 or 80 conductors). Floppy uses 34 pins. SCSI headers vary by type.

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