Device driver

Less than a 1 minute read
device driver

In computing, a device driver is a computer program that operates or controls a particular type of device that is attached to a computer.

A driver typically 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. Once the device sends data back to the driver, the driver may invoke routines in the original calling program.

Drivers applications

drivers operate in different environments and they may interface with many different devices such as Printers, Video adapters, Network cards, Sound cards, Local buses of various sorts, Low-bandwidth I/O buses of various sorts, Computer storage devices, image scanners, digital cameras.

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