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Consider the following process arrival, CPU and I / O burst times, and priorities given in the table below. Consider 1 as the highest priority.

Consider the following process arrival, CPU and I/O burst times, and priorities given in the table below. Consider 1 as the highest priority.
Assume that only one I/O device is available and it operates in FCFS manner without context switch time.
Assume that there is only one CPU and it is scheduled using preemptive Round Robin with quantum =3ms with context switch =1ms.
\table[[PID,Arrival Time,\table[[CPU],[burst time]],\table[[IO],[burst time]],\table[[CPU],[burst time]],Priority],[A,0,5,--,--,2],[B,4,7,4,2,2],[C,8,10,5,,1],[D,6,6,--,--,2]]
Draw CPU and I/O Gantt Chart, and then find Average waiting time, and average response time, and turn around time and cpu utilization. Show your calculations in details.
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