Question

How do device drivers work​

Answer 1

Answer:

A driver communicates with the device through the computer bus or communications subsystem to which the hardware connects. When a calling program invokes a routine in the driver, the driver issues commands to the device.

Explanation:

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Answer 2

Answer:

In computing, a device driver is a computer program that operates or controls a particular type of device that is attached to a computer. ... Once the device sends data back to the driver, the driver may invoke routines in the original calling program. Drivers are hardware dependent and operating-system-specific.