Input and Output Device IO involves a controller between the device and the memory DMA IO is faster than Programmed IO A Device Driver is used to allow the Operating System to understand how to use a device. Drivers can be used with DMA IO or PIO.
Input and Output Device IO involves a controller between the device and the memory DMA IO is faster than Programmed IO A Device Driver is used to allow the Operating System to understand how to use a device. Drivers can be used with DMA IO or PIO.