Subject

    Computer Science

    Topic

    Computer Hardware

    What is a 'device driver'?

    a)
    A hardware component that controls a peripheral device.
    b)
    A piece of software that allows the operating system to communicate with and control a specific hardware device.
    c)
    A utility program for testing hardware functionality.
    d)
    A port on the motherboard for connecting external devices.

    Explanation

    A device driver acts as a translator between the generic commands of the operating system and the specific, proprietary commands of a hardware device. Without the correct driver, the OS wouldn't know how to use the hardware, even if it's physically connected.

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