3 questions

  

1. Define
what is meant by a data flow in a process model. How should the data flow be
named?

2. Define what is meant by a data store in a process model. How should the data
store be named?
3. Explain the relationship between a DFD context diagram and the DFD level 0
diagram. Explain the relationship between a DFD level 0 diagram and a DFD level
1 diagram(s).

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