There Are Six Jobs That Are Awaiting Processing at a Machining

question 93

Essay

There are six jobs that are awaiting processing at a machining center. The jobs are shown in the table with their processing time and scheduled completion time. Schedule the jobs by earliest due date and the critical ratio rule and calculate average lateness for all the jobs. Which scheduling technique performs BEST?
$$\begin{array} { | c | c | c | } \hline \text { Job } & \text { Process Time } & \text { Due Time } \\\hline \text { A } & 12 & 25 \\\hline \text { B } & 8 & 32 \\\hline \text { C } & 15 & 40 \\\hline \text { D } & 10 & 15 \\\hline \text { E } & 20 & 27 \\\hline \text { F } & 17 & 46 \\\hline\end{array}$$

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Definitions:

Selective Attention

The process of focusing on a specific aspect of information while disregarding other perceivable information.

Short-term Memory

The component of the memory system that is responsible for holding small amounts of information in an active, readily available state for a short period.

Thorndike

An American psychologist known for his work in comparative psychology and the law of effect, related to learning.

Chunking

A method of breaking down large pieces of information into smaller, more manageable units to aid in memory retention.