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Chapter 6. Data-Flow Diagrams

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1Chapter 6. Data-Flow DiagramsTable of ContentsObjectives ........................................ ........................................ .................................... 1Introduction to Data-Flow Diagrams ........................................ ........................................ .. 2What are Data-Flow Diagrams ? ........................................ ........................................ 2An example Data-Flow diagram ........................................ ....................................... 2The benefits of Data-Flow Diagrams .

systems can be managed and modeled in a hierarchy of abstractions. Certain elements of any data-flow diagram can be decomposed (“exploded” ) into a more detailed model a level lower in the hierarchy. During this unit we shall investigate each of the three types of diagram in the sequence they are described above.

  System, Chapter, Hierarchy

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