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STEP 2: DRAW A DIAGRAM 0 DFD (LEVEL 1 DFD)

Diagram 0 - Zooms in on the context diagram and shows

major processes, data flows, and data stores

Must retain all the connections that flow into and out of

process 0

Each process has a reference number

 Diverging data flow – is a data flow in which the same

data travels to two or more different locations

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