A device driver is a utility software to facilitate the running of a computer device. It is a program that controls a device. Device drivers are needed for every device connected to a computer, from the mouse and keyboard to the printer.
What is the meaning of hardware driver?
More commonly known as a driver, a device driver or hardware driver is a group of files that enable one or more hardware devices to communicate with the computer's operating system. Without drivers, the computer could not send and receive data correctly to hardware devices like printers.
What are the hardware that use device drivers?
The device driver provides the rest of the operating system with the software interface to a given device or device class. The upper layer recognizes which commands are required to control a particular device or device class.