What is the Difference Between Device Driver and Device Controller
The main difference between device driver and device controller is that the device driver is a software that works as the interface for the device controller to communicate with the operating system or an application program. Whereas, the device controller is a hardware component that works as a bridge between the hardware device and the operating system or an application program. Hence, there is a distinct difference between device driver and device controller even though these terms are used interchangeably.