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Suppose that a process scheduling algorithm favors those processes that have used the least processor time in the recent past. Why will this algorithm favour I/O- bound processes, but not starve CPU-bound processes?
Ans: This will favor the I/O-bound programs due to the relatively short CPU burst request through them; though, the CPU-bound programs will not starve since I/O- bound programs will relinquish the CPU relatively frequently to do their I/O.
What are the various mechanisms for implementing I/O operations? a) Program controlled I/O b) Interrupts c) DMA
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