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What is a Data Flow Diagram - Lucidchart This guide provides everything you need to know about data flow diagrams, including definitions, history, and symbols and notations You'll learn the different levels of a DFD, the difference between a logical and a physical DFD and tips for making a DFD 7 minute read
What is a data flow diagram (DFD)? - IBM A data flow diagram (DFD) is a visual representation of the flow of data through an information system or business process
Data Flow Diagram - Everything You Need to Know About DFD A data flow diagram (DFD) illustrates how data is processed by a system in terms of inputs and outputs As its name indicates its focus is on the flow of information, where data comes from, where it goes and how it gets stored Data flow diagrams became popular in the 1970s in software development
Data-flow diagram - Wikipedia DFD is a system created by analysts based on interviews with system users It is determined for system developers, on one hand, project contractor on the other, so the entity names should be adapted for model domain or amateur users or professionals