數據流圖
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DFD, short for Data flow diagram, is used to visualize the flow of data within a business information system by showing the major processes involved and the transferral of data in among the processes. A logical data flow diagram describes flow of data through a system to perform certain functionality of a business, while a physical data flow diagram describes the implementation of the logical data flow.
Create data flow diagrams online. Visual Paradigm Online features an intuitive 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.
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