6.7.1.1 Details of Round Robin Algorithm Dispatcher: get head of ready queue; set timer; dispatch; Timer interrupt handler: save context in PCB; move PCB to the end of the ready queue; upcall to dispatcher; I/O request trap: save context in PCB; move PCB to I/O queue; upcall to dispatcher; I/O completion interrupt handler: save context in PCB; move PCB of I/O completed process to ready queue; upcall to dispatcher; Process termination trap handler: Free PCB; upcall to dispatcher; Round Robin Scheduling Algorithm
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