Question: do a,b and c please 1. Discuss Scheduling Criteria. 2. Suppose that the following processes arrive for execution at the times indicated. Each process will

do a,b and c please

1. Discuss Scheduling Criteria. 2. Suppose that the following processes arrive for execution at the times indicated. Each process will run for the amount of time listed as given below. a. What is the average turnaround time for these processes with the FCFS and RR ( quantum time is 4) scheduling algorithm? b. What is the average turnaround time for these processes with the SJF scheduling algorithm? c. The SJF algorithm is supposed to improve performance, but notice that we chose to run process P1 at time 0 because we did not know that two shorter processes would arrive soon. Compute what the average turnaround time will be if the CPU is left idle for the first 1 unit and then SJF scheduling is used. Remember that processes P1 and P2 are waiting during this idle time, so their waiting time may increase. This algorithm could be known as future-knowledge scheduling

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