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Data Flow Diagram

Data Flow Diagram. Ref: http://yourdon.com/strucanalysis/index.html Bab 9 DFD. Contoh DFD. Elemen DFD. Process Flow Store Terminator. Process. Flow. Store bisa dengan memori , database, dsb. Store sebagai penyimpanan. Terminator.

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Data Flow Diagram

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  1. Data Flow Diagram Ref: http://yourdon.com/strucanalysis/index.html Bab 9 DFD

  2. Contoh DFD

  3. Elemen DFD • Process • Flow • Store • Terminator

  4. Process

  5. Flow

  6. Storebisadenganmemori, database, dsb

  7. Store sebagaipenyimpanan

  8. Terminator • Typically, a terminator is a person or a group of people, for example, an outside organization or government agency, or a group or department that is within the same company or organization, but outside the control of the system being modeled

  9. Guideline in constructing DFD • Choose meaningful names for processes, flows, stores, and terminators. • Number the processes. • Redraw the DFD as many times as necessary for esthetics. • Avoid overly complex DFDs. • Make sure the DFD is internally consistent and consistent with any associated DFDs.

  10. Context Diagram atau DFD level 0 • Represents an entire system as a single process and highlights the interfaces between the system and the outside terminators

  11. Complex DFDsulitdipahami

  12. DFD denganhirarki

  13. Balanced & out of balance

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