Question: In a student registration system, draw a use-case diagram that has three actors: Students, professors, and Administrators. The system also has dozens of use cases.

In a student registration system, draw a use-case diagram that has three actors: Students, professors, and Administrators. The system also has dozens of use cases. The student can add a course, drop a course, replace a course, or check the pre-request of a course. In the case of add and drop courses, the number of seats must be updated. The professor can view the student list, take attendance, and select courses to which he can teach. Admin can create new courses, modify course info, and remove courses. Each actor can log in and display the available courses.

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