CPU scheduling
|
Process |
Arrival Time |
Burst Time |
Priority |
|
P1 |
0 |
8 |
8 |
|
P2 |
0 |
4 |
10 |
|
P3 |
4 |
1 |
6 |
|
P4 |
6 |
6 |
8 |
For Shortest Remaining Time draw the Gantt chart to illustrate how these processes would be scheduled, and calculate turnaround time per process and the wait time per process.
CPU scheduling Process Arrival Time Burst Time Priority P1 0 8 8 P2 0 4 10...
Assume that the three processes arrived in order: Processes CPU Burst Time P1 17 P2 6 P3 8 a. Please draw the Gantt chart if FCFS scheduling is used. b. Please calculate the average waiting time and average completion time under FCFS. You MUST show the calculation procedure. c. Please draw the Gantt chart if Round Robin is used. d. Please calculate the average waiting time and completion time under RR with q = 3. You MUST show the calculation...
4. Consider a ready queue with four processes :- Process Arrival Time Burst Time (ms) P1 Priority P2 P3 P4 P5 For each of the following CPU scheduling algorithms, determine the turnaround and average waiting time for each of the process :- a. Shortest remaining Time First b. Shortest Job First C. Priority Scheduling (Both pre-emptive and non-preemptive) d. Round Robin (quantum is 1 ms)
Process Arrival Time Burst Time P1 0 2 P2 1 1 P3 2 4 P4 3 2 P5 4 1 Consider a set of processes given above with the arrival time and the length of CPU burst time given in cycles. Show a Gantt chart and calculations of average turnaround time and average waiting time of these processes under the shortest job first (SJF) with preemption CPU scheduling algorithm and the round-robin...
Consider the following set of processes, with the length of the CPU-burst time given in milliseconds:Processburst TimePriorityP1103P211P323P414P552For each of the scheduling algorithms, FCFS, Shortest-Job-First (SJF, non-preemptive), Priority (smaller priority number implies higher scheduling priority), and RR (quantum = 1) do the following.Draw a Gantt chart to show how these processes would be scheduled.Give the turnaround time (total time from the first arrival into ready state until CPU-burst is completed) of each process.Give the waiting time (total time spent in the Ready state) of each process.Give...
Q.2] Answer the following questions Process Burst Time Priority P1 3 1 P2 8 3 P3 2 4 P4 4 5 P5 5 1 (21 points) Consider the set of processes shown in the table above, with the length of the CPU-burst time given in milliseconds. The processes are assumed to have arrived in the order P5, P4, P3, P2 , and P1, all approximately at time 0. Draw three Gantt charts illustrating the execution of these processes using SJF,...
Part 2 Round Robin Scheduling Process Burst Time in Ms P1 4 P2 2 P3 1 Calculate the average waiting time and turnaround time using round robin scheduling, where the time quantum q = 2 ms According to the Round Robin algorithm, the arrival of processes is shown in the following Gantt chart. P1 P2 P3 P1 P2 P3 P1 P2 P3 P1 0 2 4 6 8 10 12 14 15 16 18...
V. Round Robin and SJF comparison 6 Process Arrival Time CPU Burst Time P1 0 9 P2 4 4 P3 6 P4 For each of the following algorithms, draw a Gantt chart and calculate the average wait time and turn around time. 1. Round robin with quantum=1 time unit 2. Round-robin with quantum=3 time-units 3. SJF WI preemption (Shortest Remaining Time First), assume quantum=3 4. SJE Wlo preemption 5. ECES
OS CPU Scheduling
1. Given the following processes Process Arrival Time 0 Priority 5 P1 P2 P3 P4 Burst Time 10 5 8 15 2 2 3 2 a) Please demonstrate the SJF and LJF algorithms on the above. (Note: if they mention SJF or any other, make sure u do both the non- preemptive and preemptive) b) What are the differences between them?
Process Arrival Time CPU Burst Time P1 0 7 P2 3 8 P3 4 3 P4 6 7 For the following algorithms, calculate the average wait time and turn around time. Round-robin with quantum of one time-unit
##1, Assume that you have the following processes all arriving at time 0: Process Burst Priority P1 8 4 P2 6 1 P3 1 2 P4 9 2 P5 3 3 For each of the following CPU scheduling algorithms, determine the turnaround and wait times for each process as well as the average wait and turnaround times. v First Come First Serve v non-preemptive SJF v preemptive SJF v Non-Preemptive Priority Scheduling v Round Robin (assume a quantum of 1)...