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Module 2: Introduction to UML - page 13 / 48

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13

Diagrams in UML – Actors in Use Case Diagram

Student

Registrar

Professor

Billing System

An actor is someone or some thing that must interact with the system under development

The UTD wants to computerize its registration system

The Registrar sets up the curriculum for a semester

Students select 3 core courses and 2 electives

Once a student registers for a semester, the billing system is

notified so the student may be billed for the semester

Students may use the system to add/drop courses

for a period of time after registration

Professors use the system to set their preferred course offerings

and receive their course offering rosters after students register

Users of the registration system are assigned passwords

which are used at logon validation

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