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Calculate the average waiting time and turnaround time for processes P1, P2, P3, P4 using FCFS, SJF, and RR scheduling algorithms. Show the Gantt charts.
Computer Science
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Here are the solutions for question 18, including the Gantt charts, average waiting time, and average turnaround time for each scheduling algorithm.
The given processes are:
| Process | Arrival time | Burst time |
|---|---|---|
| P1 | 0 | 8 |
| P2 | 1 | 4 |
| P3 | 2 | 9 |
| P4 | 3 | 5 |
A) FCFS (First-Come, First-Served)
Processes are executed in the order of their arrival.
Gantt Chart (FCFS):
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