FCFS, SPT,EDD,S/RO and CR rules
The repair manager at Standard Components needs to develop a
priority schedule for repairing 8 Dell pc’s Each job requires analysis using
the same diagnostic system Futhermore,each job will require additional
processing after the diagnostic evaluation The manager does not expect any
rescheduling delays,and the jobs are to move directly to the next process after
all diagnostic work is completed
Job Work time day due date(days) Shop time remanining(days)
operations remaining
1 125 6 25 5
2 275 5 35 7
3 250 7 40 9
4 300 6 45 12
5 250 5 30 8
6 175 8 25 6
7 225 7 30 9
8 200 5 25 3
a) Compare the relative performance of the FCFS,SPT,EDD,S/RO
and CR rules
b) Discuss the selection of one of the rules for this
company What criteria do you consider most important in the selection of a
rule in this situation?
