Q:1

Figure 1 below is a hand-sketched data flow diagram. It is diagram 0, which shows the data movement in a Mail Ordering System:

• Identify and number the errors in the below diagram.
• Redraw and label the data flow diagram of Mail Ordering Systems so that it is correct.

Q2:

You are a system analyst and are requested to develop Registration Information Systems (RiS). The RiS will interact with four components, Student, Faculty, Registrar, and Financial Department. During students registration, RiS supposes to capture students information, verify course availability, and its perquisite. If so, RiS will register students. In the other hand, Faculty will receive a list of students being registered, while Registrar will be in charge of offering courses, and, in return, will receive reports. Finally, Financial Dept. will emphasize the Fees due date, and receives information regarding student payment.

• Draw the Context data flow diagram.
• Draw the Diagram 0/Parent.
• Which process that you may explode to develop the Child diagram. Incorporate so in your diagram.

Q3:

Answer the following questions:

1. What is the difference between physical and logical design of DFDs.
2. Develop a physical data flow diagram of Q1.

customer We Member file -APP, Foren verify Mewber Member Season oreler for hen ondov product. Into Item fele Verif order Iz Hem into Valiclated Neler 3 Daily order print invoice Orcler Dept. customer We Member file -APP, Foren verify Mewber Member Season oreler for hen ondov product. Into Item fele Verif order Iz Hem into Valiclated Neler 3 Daily order print invoice Orcler Dept