Structured analysis techniques, such as data-flow diagramming, can help companies avoid misunderstanding how existing systems will have to work with the new system and incorrect specifications for necessary data, forms, and reports.
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Q1: Assume shipment data are entered into a
Q2: A data flow represents data in motion,moving
Q3: Data-flow diagrams (DFD) illustrate important concepts about
Q4: On a data-flow diagram, a check and
Q11: Data on a customer form could be
Q13: When constructing data flow diagrams,you should show
Q14: A Web site's customer is represented as
Q17: The data a sink receives and often
Q19: Sources and sinks are internal to the
Q20: The calculation of a student's grade is
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