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STEP 3: DRAW THE LOWER-LEVEL DIAGRAMS
To create lower-level diagram, you must use leveling and
balancing techniques
Leveling
Is a process of drawing a series of increasingly detailed
DFDs until all functional primitive are identify
Exploding, partitioning, or decomposing
Balancing
Maintain consistency among set of DFD by ensures that
the input and output data flows align properly
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