How can you make a DFD easier to understand?
Answer to relevant QuestionsSuppose that your goal is to create a set of DFDs. How would you begin an interview with a knowledgeable user? How would you begin a JAD session?Draw a level 0 data flow diagram (DFD) for the video store system in Exercise F, Chapter 4.A wealthy businessman owns a large number of paintings that he loans to museums all over the world. He is interested in setting up a system that records what he loans to whom so that he doesn't lose track of his investments. ...Provide three different options that are available for selecting an identifier for a student entity. What are the pros and cons of each option?What are metadata? Why are they important to system developers?
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