Drivers are hardware-dependent and operating-system-specific.
Once the device sends data back to the driver, the driver may invoke routines in the original calling program. When a calling program invokes a routine in the driver, the driver issues commands to the device. In computing, a device driver or software driver is a computer program allowing higher-level computer programs to interact with a hardware device.Ī driver typically communicates with the device through the computer bus or communications subsystem to which the hardware is connected.
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