When a calling program invokes a routine in the driver, the driver issues commands to the device (drives it). A driver provides a software interface to hardware devices, enabling operating systems and other computer programs to access hardware functions without needing to know precise details about the hardware being used.Ī driver communicates with the device through the computer bus or communications subsystem to which the hardware connects. In computing, a device driver is a computer program that operates or controls a particular type of device that is attached to a computer or automaton. For other software drivers, see Driver (software).
This article is about device drivers for hardware.
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