Data Flow Diagram for Sportswear

1
Data Flow Diagram for Sportswear
2
DFD Example

• A Health Club keeps information on its members
• Membership is subdivided into Full, Daily and
  Associate
• On the 1st of each month, the payments clerk
  checks the records and sends out reminders to
  members whose subscription expires this month.
• When payment is received, the subscription is
  renewed.

3
Activity

• Create a Level 1 DFD to model the Billing System
  and its use as described in the Previous slide.
• See next slide for solution.

4
Billing SystemLevel 1 DFD
Customer Sales Data
Order for Goods
Sales Data
Customer Sales Data
Invoice
record of payment
Data Summary
payment
receipt