FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -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 (drives it).

Detailed explanation-2: -Question: What is the relationship between operating systems and computer hardware? Answer: Operating system helps to make computer hardware available to the application programs. Without Operating System we cannot access computer hardware.

Detailed explanation-3: -A device driver is a specialized software that operates a particular computer-connected device-offering a software interface to the hardware allows operating systems and other computer applications to access hardware functionalities.