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Based on the discussions above, answer each questions and / or statements briefly. Write on the spaces provided below

Principles of Information Systems (MindTap Course List)

13th Edition

ISBN:9781305971776

Author:Ralph Stair, George Reynolds

Publisher:Ralph Stair, George Reynolds

Chapter12: System Acquisition And Development

Section: Chapter Questions

Problem 3PSE: A new sales ordering system needs a relational database that contains a customer table, a product...

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Based on the discussions above, answer each questions and / or statements briefly. Write on the spaces provided below. 1. What is a process model? What is a data flow diagram? Are the two related? If so how? 2. Distinguish between logical process models and physical process models. 3. Define what is meant by a data flow in a process model. How should a data flow be named? What information about a data flow should be stored in the CASE repository?

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