Question 1
Five jobs are waiting to be processed. Their processing times and due dates are given below. Using the
shortest processing time dispatching rule, in which order should the jobs be processed?
Job | Processing Time (days) | Job due date (days) |
A | 4 | 7 |
B | 7 | 4 |
C | 8 | 11 |
D | 3 | 5 |
E | 5 | 8 |
◦ D, A, E, B, C
◦ A, B, C, D, E
◦ B, D, A, E, C
◦ C, E, A, D, B
◦ C, A, D, B, E
Question 2
Sequencing (or dispatching)
◦ specifies the order in which jobs should be done at each centre.
◦ assigns workers to jobs.
◦ assigns workers to machines.
◦ assigns dates to specific jobs or operations steps.
◦ assigns jobs to work centres.