CoE 541 Exercise- DFD

INSTRUCTIONS: Read Lesson 5- Data Flow Diagram of our course handouts and answer the following questions.

1. What is DFD? What are the symbols used?
2. What are the different levels of DFD? How do they differ with each other? 
3. How do you create DFD?

CASE STUDY: On your selected small business organization. Develop DFD for your desired operation in their system. (E.g. small sari-sari store, a ticketing office, a drug store...). Show also DFD at different levels.

 Pass this exercise next meeting.