![]() After that, it describes the stages required in transporting data from input to file storage and report output in a medical system. The data flow diagram displays the data flow in the Online Shopping System. The system is done managing its data at different levels of detail. The importance of DFD for Online Shopping System is that it aids the audience in understanding what is happening in the system. Importance of DFD for Online Shopping System Moreover, the data includes in Data Flow Diagram labeled properly to guide the developers on the structure of the Online Shopping System. It represents the system’s major processes and alternatives that generate the flow of data within the system. It is one of the methods used for development. The Data flow diagram (DFD) contains some symbol for drawing the data flow diagram. A data flow diagram is a graphical view of how data is processed in a system in terms of input and output.
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