Subject

    Computer Science

    Topic

    Computer Hardware

    On PC power supplies, the wire on pin 1 of the main connector is usually:

    a)
    Blue or red
    b)
    Blue or white
    c)
    Red or black
    d)
    White or orange

    Explanation

    On legacy AT/ATX looms, pin-1 color conventions vary by maker; white/orange is a common pairing in older diagrams.

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