CPU burst time given in milliseconds: Process Arrival Time CPU Burst Time/ Service Time/ Processing Time 3 Priority P1 0 2 P2 1 5 3 P3 2 2 1 P4 3 3 3 P5 4
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- Consider the following set of processes, with the length of the CPU burst time given in milliseconds: Process Arrival Time CPU Burst Time/ Service Time/ Processing Time Priority P1 0 3 2 P2 1 5 3 P3 2 2 1 P4 3 3 3 P5 4 4 4 Draw the Gantt charts illustrating the execution of these processes using: FCFS SJF (SPN) SRT HRRN a nonpreemptive priority (a smaller priority number implies a higher priority) RR (q= 1) RR (q= 3) Combining RR (q=2) and priority scheduling Feedback (q=1) Feedback (q=2i)Consider the following set of processes, with the length of the CPU burst time given in milliseconds: Process Arrival Time CPU Burst Time/ Service Time/ Processing Time Priority P1 0 3 2 P2 1 5 3 P3 2 2 1 P4 3 3 3 P5 4 4 4 Draw the Gantt charts illustrating the execution of these processes using: FCFS SJF (SPN) SRT HRRN a nonpreemptive priority (a smaller priority number implies a higher priority) RR (q= 1) RR (q= 3) Combining RR (q=2) and priority scheduling Feedback (q=1) Feedback (q=2i) Fill out the following table for each of the scheduling algorithms in part a. Process Arrival Time Starting Time Completion Time Response Time Waiting Time Turnaround Time P1 0 P2 1 P3 2 P4 3 P5 4 Averageconsider the following set of processes , with the length of the CPU burst given in milliseconds: Draw the Gantt charts that illustrate the execution of these processes and compute the average waiting time, average turnaround, average response time using the following scheduling algorithms: 1) FCFS 2)Primitive SJF Process, burst time, arrival time P3 2 0 P2 4 1 P5 5 2 P1 10 3 P4 1 4
- Consider the processes with given arrival times, burst times and priorities as below Process Arrival time Burst time Priority P0 0 10 3 P1 0 5 5 P2 10 10 2 P3 10 1 1 Assume the OS is using the following CPU scheduling algorithms. (a) FIFO (b) Round Robin with quantum = 5 ms (c) Priority scheduling Calculate the waiting and turnaround times for each process for each of the algorithms above. Provide the Gantt charts in your answers for each of the algorithms to show the execution of the processes. Fill in the columns in the format below for the waiting time and turnaround time Turnaround time and waiting time Process ID Waiting Time Turnaround Time P1 P2 P3 P4 Average waiting time = Average turnaround time =a single process, with execution time of BT time units, is detected by the system that uses Round Robin algorithm with time quantum of QT time units. Every time the time quantum elapses; a contect switch is always performed with CS time units. Assume that the process come at time equal to zero(0) If BT is 25, QT is 10 and CS is 2, what is the Cpu utilization of the system? If BT is 20, QT is 6 and CS is 1 what is the CPU utilization of the system? What is the CPU utilization if BT is equal QT and QT is equal to CS? What is the system's throughput if BT is less than QT? What is the system's turnaround time (TAT) if BT is less than QT?Solve A and B Consider the following set of processes, with the length of the CPU burst time given in milliseconds: Process Arrival Time CPU Burst Time/ Service Time/ Processing Time Priority P1 0 3 2 P2 1 5 3 P3 2 2 1 P4 3 3 3 P5 4 4 4 a) Draw the Gantt charts illustrating the execution of these processes using: 1. FCFS 2. SJF (SPN) 3. SRT 4. HRRN 5. a nonpreemptive priority (a smaller priority number implies a higher priority) 6. RR (q= 1) 7. RR (q= 3) 8. Combining RR (q=2) and priority scheduling 9. Feedback (q=1) 10. Feedback (q=2i) b) Fill out the following table for each of the scheduling algorithms in part a. Process Arrival Time Starting Time Completion Time Response Time Waiting Time Turnaround Time P1 0 P2 1 P3 2 P4 3 P5 4 Average
- At times t = 0, 1, and 2 seconds, processes P1, P2, and P3 arrive in the Ready state, respectively. Suppose their execution times are 5 seconds, 4 seconds, and 3 seconds, respectively. Show how they will be scheduled using round robin scheduling with a quantum of 3 seconds. Calculate the average turnaround time per process.Consider the processes P1,P2,P3 with burst time 3, 3, 24 respectively and arrival time = 0 ms what will be the average waiting time by applying FCFS scheduling algorithm.Real-time scheduling: In a system consisting of two processes, P1 and P2, suppose process P1 has a period p1 of 50, an execution time t1 of 25, and a deadline that matches its period (50). Further, suppose that P2 has a period p2 of 75, an execution time t2 of 30, and a deadline that matches its period (75). Is this real-time system schedulable under rate-monotonic scheduling? Explain your answer using the concept of overall CPU utilization and schedulability.
- We are dealing with 6 processes p1;p2; : : : ;p6:(a) Processes p1;p2 in p3 arrive at time 2 ms, respectively. Each of those processesneeds 5 ms of CPU time.(b) Process p4 arrives at time 10 ms and needs 3 ms of CPU time.(c) Processes p5 in p6 arrive at time 19 ms. Process p5 needs 7 ms, while process p6needs 4 ms of CPU time.Scheduling is preemptive, where there process switch takes 1 ms. For the Round-Robinalgorithms with quantum 2 ms illustrate the execution of those processes on a timeline.Then determine the average turnaround time.Consider the FIVE (5)process with their CPU burst time and arrival time. Process Arrival Time CPU burst time P0 0 1 P1 2 3 P2 1 4 P3 1 3 P4 3 2 Based on the above data, answer the following Calculate the turn-around time for SRT algorithm. Calculate average turn-around time for SRT algorithm. Calculate the response time for SJF. Calculate the waiting time for SJF. Which algorithm is the best among SJF and SRT? Justify your answer.Consider the following scenario:a main program starts execution at time t = 03 second later device B sends interrupt signal5 second later device A sends interrupt signal2 second later device E sends interrupt signal3 second later device C sends interrupt signal5 second later device D sends interrupt signal5 second later device F sends interrupt signalhighlight on the following figure the paths of execution that realize the mentioned interrupt scenario.With each highlighted path indicate time value (t = ?)Finally draw one more path from the last ISR executed back to the main program and displayreturn time.