Consider the following course management process for an enginecring sctiool. The whool manuger provides you with the following description. The school has a number of professons and offers courne sections to certain number of students (each course section can be taken by maximum 25 students). The schwel offers a certain number of courses, each of which is divided into one or many sections. Each section is taught by one professor, and a course can be assigned to many professors. Each professor may teach up to three sections. Each student may inke up to 4 sections, but minimum 2 sections, which means he can be registered in up to 4 courses and minimum in 2 courses.

a) [8 Marks] Design the class diagram

b) [4 Marks] Create a DFD context diagram