Question 1: Create a context diagram and a Data Flow Diagram (DFD) for registrar office process for the given description below for enrolling an existing student in a seminar for which she is eligible . Display the decomposition procedure clearly step by step. Number the order of the decomposition procedure.

Question 2: Based on the created DFD models, create the PFD (Process flow diagram) model to show the primitive processes, decompose the DFD primitives further if necessary (you can use general flowchart notations).

Description for creating a context diagram and data flow diagram

1. System Description: Enroll an existing student in a seminar for which she is eligible.
2. Pre-conditions - The Student is registered at the University.
3. Post-conditions - The Student will be enrolled in the course she wants if she is eligible and room is available.
4. Basic Course of Action:

a. Student inputs her information in a form and give it to registrar

b. Registrar verifies the student is eligible to enroll in seminars, according to the student record. If not eligible then student is informed and use case ends.

c. Registrar asks student which seminar she would like to enroll in, with course catalog if necessary. Student chooses a seminar.

d. If the seminar still has room for students, registrar calculates fees and bills student for it.

e. Receiving the payment, the registrar enrolls the student in the seminar and writes enrollment receipt.