Question: order (Machine 1 before Machine 2). The processing times in hours are given in the table below. [4] Job Machine 1 Machine 76415 2 A

order (Machine 1 before Machine 2). The processing times in hours are given in the table below. [4] Job Machine 1 Machine 76415 2 A 11 10 B 17 10 7 4 C D 13 10 25 9 G 6 15 a. What is the optimal sequence? E LL 9 12 F 8 a. What is the optimal sequence? 2022 b. What is the total flow time for this sequence? c. What is the idle time? (b) A firm that specializes in desktop publishing for local charities has agreed to take on the following jobs. The firm has not decided which dispatching rule to apply in order to prioritize the jobs and fix them into the schedule. [8] M (b) A firm that specializes in desktop publishing for local charities has agreed to take on the following jobs. The firm has not decided which dispatching rule to apply in order to prioritize the jobs and fix them into the schedule. [8] 2022/05/22 Time Due Date Job 1 18 23 Job 2 Job 3 Job 4 Job 5 Job 6 15 8 25 31 43 20 15 50 33 55 O 764 a. Complete the following table. Show your supporting calculations below. b. Which dispatching rule has the best score for flow time? 201 c. Which dispatching rule has the best score for work-in-process (jobs in the system)? d. Which dispatching rule has the best score for lateness? Dispatching Rule Average Average Job Sequence Flow Number of Time Jobs Average Lateness FCFS EDD cnt A 20 Dispatching Rule FCFS EDD SPT LPT Job Sequence Average Average Flow Number of Jobs Time Average Lateness

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