Use Johnson's Rule to Determine the Optimal Sequencing for the Five

question 8

Essay

Use Johnson's rule to determine the optimal sequencing for the five jobs to be processed on two machines in a fixed order (Machine 1 before Machine 2).The processing times are given in the table below.
a.What is the optimal sequence?
b.What is the total flow time for this sequence?

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Definitions:

Prothalli

The gametophyte stage of ferns and some other non-seed plants, which is free-living and bears the sex organs.

Gemmae

Tiny balls of tissue (borne in gemmae cups) used for asexual reproduction by liverworts.

Liverworts

Liverworts are a group of non-vascular plants in the division Marchantiophyta, known for their liver-shaped gametophytes and role in early colonization of terrestrial environments.

Asexually

Reproduction without the combination of genetic material from two different parents, often involving a single organism reproducing by itself.