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Data & Process Modeling - Coggle Diagram
Data & Process Modeling
Data Flow Diagram
A data flow diagram (DFD) shows how data moves through an information system but does not show program logic or processing steps (flow of data between process)
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Data Dictionary
A data dictionary or data repository is a central storehouse of information about the system's data.
DFD Symbols
Process symbol
Receives input data and produces output that has a different content, form or both.
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