The IT team at Game Technology is moving forward with the new Customer Contact Care information…

The IT team at Game Technology is moving forward with the new Customer Contact Care information system, or C 3 . Your next assignment is to develop a set of data flow diagrams (DFDs). To be sure you can handle the tasks, you decide to review Chapter 5 of your systems analysis textbook. Based on your requirements model, you know that the new C 3 system will have three external entities, with the following data flows:

Entity Data Flow from the Entity Data Flow to the Entity
Customer Contact Information Sales Specials
Sales Records System Customer Sales History None
Marketing Rep Suggested Contact Plan Sales Feedback

The C 3 system also will have three processes (Analyze Customer Data, Analyze Sales History, and Manage Contact Plan), a data store (Customer Profile), and the following data flows:

Data Flow



Contact Information Customer entity Analyze Customer Data process
Sales Specials Manage Contact Plan process Customer entity
Customer Sales History Sales Records System entity Analyze Sales History process
Suggested Contact Plan Marketing Rep entity Develop Contact Plan process
Sales Feedback Analyze Sales History process Marketing Rep entity
Customer Data (two-way) Analyze Customer Data process Customer Profile data store
Customer Data (two-way) Customer Profile data store Analyze Customer Data process
Profile Data Customer Profile data store Manage Contact Plan process
Sales Data Analyze Sales History process Customer Profile data store

Challenge Tasks

Your context diagram and DFD diagram 0 were accurate, but there have been some design changes. Management has decided to connect the external Accounts Receivable System directly to the C 3 system as a fourth entity. A two-way data flow called AR Data will connect this entity to the C 3 system. Inside the C 3 system, AR Data will connect to the Analyze Sales History Critical Thinking Challenge: Tasks Page process. Also, another new two-way data flow called Billing Data will connect to the Analyze Sales History process and the Customer Profile data store.

Task 1. Draw a context diagram for the new C3 system that shows the revised design.

Task 2. Draw a DFD diagram 0 that shows the revised design.

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