A device driver is a software program that allows an operating system to communicate with a hardware device. Its main role is to provide an interface between the operating system and the hardware device, translating the commands and data between them.
The device driver acts as a mediator between the hardware device and the operating system, allowing the hardware device to function properly. Without a device driver, the operating system would not be able to communicate with the hardware device and the device would not work.
Device drivers are essential for the proper functioning of all hardware devices, including printers, scanners, keyboards, mice, graphics cards, sound cards, and network cards, among others. They provide a standardized way for software applications to interact with hardware devices, which ensures that different applications can use the same device in a consistent and reliable manner.
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