You need to explain data and process modeling to your two, Mechanical Engineering

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You need to explain data and process modeling to your two

Globe Consulting

You are a senior systems analyst at Globe Consulting, a growing IT consulting firm. You are leading the development team for a major client. You need to explain data and process modeling to your two newly hired junior analysts (Mithelle and Aidan) before meeting with the client tomorrow afternoon.

Tasks

1. Describe the rules for creating DFDs.

2. What are the data flow and process combinations that must be avoided when creating a DFD?

3. Explain what a diagram 0 is and how it is used.

4. Ask Mithelle and Aidan to review the order system context diagram on page 188, and compare it with the order system diagram 0 DFD on page 192. Then ask them to answer the following questions:

(a) How many external entities are shown in each diagram?

(b) In each diagram, how many data flows connect to the external entities?

(d) Could the data store have been shown in the context diagram? Why or why not?

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Mechanical Engineering: You need to explain data and process modeling to your two

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Mechanical Engineering: You need to explain data and process modeling to your two

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