Week 4 Petries' Electronics Cases Ch7

# Week 4 Petries' Electronics Cases Ch7

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Wk 4

Chapter 7

the data-flow diagrams you developed for questions in the Petrie's Electronics case at the end of Chapter 6 (or diagrams given to you by your instructor). Study the data flows and data stored on these diagrams and decide whether you agree with the team's conclusion that the only six entity types needed are listed in the case and in PE Figure 7-1. If you disagree, define additional entity types, explain why they are necessary, and modify PE Figure 7-1 accordingly. I personally agree with the simplicity of the diagram.

, review the DFDs you developed for the Petrie's Electronics case (or those given to you by your instructor). Use these DFDs to identify the attributes of each of the six entities listed in this case plus any additional entities identified in...

Week 4
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Excerpt from file: Wk 4 Chapter 7 the data-flow diagrams you developed for questions in the Petries Electronics case at the end of Chapter 6 (or diagrams given to you by your instructor). Study the data flows and data stored on these diagrams and decide whether you agree with the teams conclusion that the only six

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