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Compare the guidelines for preparing flowcharts and DFDs. What general design principles and limitations are common to both documentation techniques?


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Answer #1

Similar design concepts include the following:

  • These methods needs understanding of the system as a prerequisite, before performing actual documentation. Which further helps in proper representation with help of diagram.
  • It requires from the maker to identify all the elements of systems and also identify relations associated with those elements.
  • It encourages to show only the regular flow of information instead of unqiue situations.
  • Both the methods needs more than one pass through the diagram or flowchart process to accurately capture essence of system.

The object of these methods is documenting the flow of information. Both the methods are limited by the nature of models they employ, as well as the talents and abilities of the maker to represent reality.

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