Part $1$ Multiple choice questions $(20$ marks$).$

Question $1$: Make$-$span is the total time needed to complete a group of jobs.

A$)$ True

B$)$ False

Question $2$: Forward scheduling is based on completing jobs exactly on their due date.

A$)$ True

B$)$ False

Question $3$: Sales and operations planning is typically performed once a year with monthly updates.

A$)$ True

B$)$ False

Question $4$: The goal of queuing analysis is to minimize the length of customer waiting lines.

A$)$ True

B$)$ False

Question $5$: Reliability and durability are different terms used to describe the same dimensions of product quality.

A$)$ True

B$)$ False

Question $6$: A single phase queuing system is one which has a single:

A$)$ type of customer $($homogeneous$).$

B$)$ server.

C$)$ customer being served.

D$)$ operational step.

E$)$ time all customers wait.