DFD Diagramming Resources

¨     Step-by-step example – a Figure 0 DFD is built sentence-by-sentence from a sample text description of a business process.

¨     Test Yourself examples –  6 simple exercises are provided for creating Figure 0 DFDs.  Read the text.  Create a DFD.   Check you answer against the answers provided.

DFDs with 2 and 3 levels

Austin Children's Center  –  example of 2 levels of DFDs

      ¨      Context Diagram and Use Case with all processes and project scope highlighted

¨       Figure 0

¨      Figure 2 for one of the processes from Figure 0

 Geological Research Center (GRC) –  complete set of exploded DFDs; 3 levels; Visio

¨      Figure 0 with 3 processes

¨      Next level detail for all 3 processes- Figure 1,  Figure 2,  Figure 3

¨      Figure 1.2 for one of the Figure1 processes