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What is Understanding Data Flow Diagrams (DFDs) about?

Data flow diagrams (DFDs) are used to represent the flow of data through an information system. A DFD consists of four main symbols: processes, data stores, external entities, and data flows. Processes represent actions performed on the data, data stores hold the data, external entities interact with the system, and data flows show the movement of data between these components. DFDs provide an overview of how a system works at a high level by depicting the major processes, data flows, data stores, and exter

Author

madhu chaudhary

Language

EN