Discuss the purposes of data flow diagram (DFD), entity-relationship diagram (ERD) . . .
Discuss the purposes of data flow diagram (DFD), entity-relationship diagram (ERD) in the architectural design of a system.
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Data flow diagram (DFD) : A Data flow diagram is a graphical representation of the ‘flow’ of data through an information system. It can also be used for the visualization of data processing. It is common practice for a designer to draw a context leve …
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