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Unformatted text preview: because they tell the reader exactly what physical components are used for various purposes in the information system. D2. The difference between task level and business process level models in the REA ontology are . . . .the purpose of task level models is NOT to design a database; rather it is to document the flow of data through an enterprise, where the purpose of developing a business process level REA model is to design the enterprise data base. D3. The advantages and disadvantages of a system flow chart as compared to a narrative description of an enterprise systems documents, processes, and data flows are (the good) Flow charts are relatively easy for information customers and managers to understand and they help auditors understand business and systems controls. (the bad) Flow charts are tied to physical information flows and system characteristics that hide procedural essence of, and they may be artifactual and tied to outdated information technology....
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- Fall '11