Average turnaround time refers to the typical duration it takes to complete a process or fulfill a request, often measured from the start to the finish of a task. Maximum waiting time, on the other hand, is the longest period an individual or item may wait before being attended to or processed. Both metrics are crucial for assessing efficiency in various industries, helping organizations optimize operations and improve customer satisfaction. Properly managing these times can lead to enhanced productivity and better service delivery.
To calculate the average waiting time and turnaround time in a process scheduling algorithm like Preemptive Time Division Fairness (PTDF), first determine the completion time for each process. The turnaround time is computed as the difference between the completion time and the arrival time of each process. The waiting time is found by subtracting the burst time from the turnaround time for each process. Finally, average these values by summing them up and dividing by the number of processes.
Average Turn Around Time = Completion Time - Arrival TimeAverage Waiting Time = Turn Around Time - Burst(execution) Time
The average turnaround time for processing orders is typically 2-3 business days.
To calculate the waiting time in the Round Robin scheduling algorithm, follow these steps: First, determine the completion time for each process by simulating the execution of processes in a cyclic manner for a fixed time quantum. Next, calculate the turnaround time for each process by subtracting the arrival time from the completion time. Finally, the waiting time for each process is found by subtracting the burst time from the turnaround time. The formula is: Waiting Time = Turnaround Time - Burst Time.
c program for shortest remaining time scheduling algo
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6-12 minutes
Example: Turnaround Time: P1 : 24, P2 : 27, P3 : 30 - Average TT: (24 + 27 + 30)/3 = 27
turn around time is the time taken for completing a particular job. It is the sum of CPU cycle time and waiting time, as these two contribute to the total turn around time
The estimated turnaround time calculated by the turnaround time calculator for this project is 5 days.
• CPU utilization and response time: CPU utilization is increased if the overheads associated with context switching is minimized. The context switching overheads could be lowered by performing context switches infrequently. This could however result in increasing the response time for processes. • Average turnaround time and maximum waiting time: Average turnaround time is minimized by executing the shortest tasks first. Such a scheduling policy could however starve long-running tasks and thereby increase their waiting time. • I/O device utilization and CPU utilization: CPU utilization is maximized by running long-running CPU-bound tasks without performing context switches. I/O device utilization is maximized by scheduling I/O-bound jobs as soon as they become ready to run, thereby incurring the overheads of context switches.
about 3 working days