operating system class

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Consider this set of processes. Compute the response time (RT), wait time(WT) and turn around time{TT) for FCFS (nonpreemptive) algorithm for each process and the averages (Read the answers carefully) Process arrival time CPU. I/O, CPU P1 0 2. 3. 2 P2 2 7. 6,5 P3 4 6. 7. 8 6 3. 4. 5 P4 avg RT: 4.0. avg WT: 15.75, avg TT: 25.75 avg RT: 6.5. avg WT: 14.5, avg TT: 26.00 avg RT: 6.5, avg WT: 14.5. avg TT: 29.00 avg RT: 4.0, avg WT: 15.75, avg TT: 30.75