65.
A work center has five jobs assigned to it. They
are labeled, in the order of their arrival in the shop, as jobs A, B, C, D and
E. The work center may work on only one job at a time and must complete any job
it starts before starting another job. Job A has a processing time of 6 days
and is due to the customer in 9 days. Job B has a processing time of 2 days and
is due in 16 days. Job C has a processing time of 4 days and is due in 10 days.
Job D has a processing time of 3 days and is due in 7 days. Job E has a
processing time of 5 days and is due in 12 days. Using the earliest due date
(EDD) priority rule, in what order should these jobs be undertaken?

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66.
A work center has five jobs assigned to it. They
are labeled, in the order of their arrival in the shop, as jobs A, B, C, D and
E. The work center may work on only one job at a time and must complete any job
it starts before starting another job. Job A has a processing time of 6 days
and is due to the customer in 9 days. Job B has a processing time of 2 days and
is due in 16 days. Job C has a processing time of 4 days and is due in 10 days.
Job D has a processing time of 3 days and is due in 7 days. Job E has a
processing time of 5 days and is due in 12 days. Using the earliest due date
(EDD) priority rule, what will be the average lateness of these orders?

______________________________________.

________________________________________

67.
What
is sub-optimization in scheduling?

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68.
In
the context of work assignment, what is infinite loading?

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69.
What
is dispatching?

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________________________________________

70.
What
is Johnson’s Rule?