Question

if he uses the first come, first served priority rule to schedule these jobs, what will be the average completion time?

Answer 1

First Come, First Served (FCFS) is the simplest scheduling algorithm.

What is First Come, First Served:

There is only one rule:

Let the initial process start when it is scheduled to and let it finish on its own. This scheduling technique is non-preemptive, which implies that only one process may be active at a time, regardless of how well it utilizes the system's resources, whether there is a waiting list for other processes, and regardless of the relative significance of those processes.

The algorithm is not commonly used because of these drawbacks, but it is included here as a benchmark against which to evaluate more straightforward techniques.

"Jobs are handled in the order in which they arrive at a machine or work center," according to the FCFS sequencing regulation.

Learn more about First Come, First Served:

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