4_Phase3b_Traditional-AIS.pdf - 1 2 In general analysts use...

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In general, analysts use a top-down approach for design. The inputs for the development of the design models and documents are the data flow diagrams and their detailed documentation and the detailed data flow definitions. Both the structure of the overall system and any individual subsystems are documented using a system flowchart. The system flowchart identifies each program , along with the data it accesses. The system flow hart also shows the relationships among the various programs, subsystems, and their files or databases. Finally, the project team must also design the internal logic of individual modules. The internal algorithms that comprise the logic of the modules are usually documented using pseudocode. See Figure 10-1 in next slide. 3
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The automation system boundary partitions the data flow diagram processes into manual processes and those that are to be include in the computer system. During the analysis activities, we looked at the business

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