Data Flow Diagrams
October 28, 2020
What are Data Flow Diagrams (DFD)? # This is a diagram that maps out the flow of information for any system. There are defined symbols like rectangles, circles, arrows, and so on to distinguish different parts of the system. There are different kinds of data flow diagrams as well, most are separated into either logical DFD or Physical DFD. Logical data flow diagrams focuses on the system process(es). Physical data flow diagrams show how the data flow is implemented in the system. ...