Operating Systems20765 marksHandling IO
When programmed IO is suitable than other IO handling techniques? Explain the process of IO handling using DMA.
When programmed IO is suitable than other IO handling techniques? Explain the process of IO handling using DMA. [5]
--- Programmed I/O is the simplest form of I/O where the CPU does all the work. It directly controls the I/O operation including sensing device status, sending read/write commands, and transferring data. Programmed I/O is suitable in the following situations: Condition Reason ------ Few I/O devic...