# UGCNET-June2010-II: 38

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_______ is one of pre-emptive scheduling algorithm.

1. $RR$
2. $SSN$
3. $SSF$
4. Priority based

recategorized

priority based
Ans is A

Round Robin is the simplest algorithm for a pre-emptive scheduler. Only a single queue of processed is used. When the system timer fires, the next process in the queue is switched to, and the pre-empted process is put back into the queue.Round robin is pre-emptive version of FCFS, a queue is maintained which stores the input as it comes in FCFS order.

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