Example: Actors in a University Course Registration Sys.

• Student
  • A student interacts with the system to register for courses
• Lecturer
  • A lecturer interacts with the system to select courses to teach
• Registrar
  • The Registrar interacts with the system to create the curriculum and to generate a timetable for the semester , and also to maintain the information about courses, lecturers, and students
• Billing System
  • Billing System interacts with the system to obtain all the billing information on the system