QUESTION $4$

a$)$ Consider a system with these use cases:

i$.$ Add new course

ii$.$ Schedule course section

iii. Register student

iv$.$ Assign instructor

v$.$ Produce class list

vi$.$ Record grades

There are two actors Department head and Instructor.

You are required to draw a use case diagram showing the use cases and actors, making assumptions

about which actors is the user for each use case.