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Data Flow Diagrams (DFD) – Concept, Symbols and Examples

Posted by By Luzan Baral February 10, 2017Posted inSoftware Engineering

Data flow diagrams (DFD) are graphical representations of the “flow” of data through an information system, modeling its process aspects. A Data Flow Diagram is often used as a preliminary step to create an overview of the system, which can later be elaborated.