4. The following jobs need to be processed at J. J. Rupper\'s work center ob Arr

Question

4. The following jobs need to be processed at J. J. Rupper's work center ob Arrival Date Production Days Needed Due Date 75 95 70 125 105 20 20 25 10 In what sequence would the jobs be ranked according to the following rules: (a) FCFS, (b) SPT, (c) LPT, (d) EDD? 5. The following jobs must be processed in the Super Clean motor center. Assume that the company operates seven day:s per week Work Required (in Days) Due Date Nov. 1 Nov. 4 Nov. 2 Nov. 3 Nov. 6 Nov. 5 Nov. 16 Nov. 11 Nov. 21 Nov. 13 20 Dec. 2 Dec. 10 Today is November 10. If the company decides to use EDD as the priority rule, calculate the (a) average flow time, (b) average 4 number of jobs in the system, and (c) average job tardiness.

Explanation / Answer

4.

A.

FCFS method will put the jobs in a sequence in which, they have arrived.

B.

Shortest processing time (SPT) will sequence the jobs on the basis of shortest processing time that is as follows.

C.

LPT method will put that job first that have longest processing time that is as follows.

D.

EDD will sequence the job on the basis of earliest due data.

Pl. repost other unanswered question for their proper answer!

Job Arrival Date Production days needed Due date A 5 20 75 B 15 30 95 C 17 16 70 D 20 10 125 E 25 18 105

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