A "Compute Driver" is a software which enable the computer accessories / hardware to communicate for desire processing results of specific hardware. In othe words we can say that computer driver tell the operating system, how to work with this hardware.
There are many drivers are installed (added) into a computer to process the system accurately.
Similarly, When we install new hardware like a mouse, graphics card, printer, modem, USB devices and so one, we must need to install the drivers associated with that program otherwise Windows will not recognize it and it will not work properly. Keyboards and Mice use drivers, but most of these are included in the Windows operating system.
