The scheduling sequencing rule which always results in the lowest average completion (flow)time is the
A)first come, first served (FCFS)rule.
B)shortest processing time first (SPT)rule.
C)earliest due date first (EDD)rule.
D)least slack per operation first (S/O)rule.
E)run until slack happens (RUSH)rule.

Question

Quizplus · Accepted Answer

The Shortest Processing Time first (SPT) rule minimizes the average completion time (or flow time) of jobs. This is because it prioritizes the jobs that can be completed the quickest, thus reducing the time each job spends in the system.

The Scheduling Sequencing Rule Which Always Results in the Lowest