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A data-flow diagram (DFD) is a way of representing a flow of data of a process or a system (usually an information system). it shows how data is processed by a system in terms of inputs and outputs. DFD is built using standardized symbols. There are several notations for displaying data-flow diagrams. Yourdon DeMarco is one of these DFD notations.
Create DFD online. Visual Paradigm Online features an online DFD maker and a large variety of technical and business diagram templates. It also supports remote working, online meeting and online workshop with a rich collection of real-time collaboration facilities.
创建数据流图