Leveling and balancing techniques are very important for developing lower- level diagrams

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Leveling and balancing techniques are very important for developing lower- level diagrams.
Leveling:
1. Leveling is the process of drawing a series of increasingly detailed diagrams, until the desired degree of detail is reached.
2. Leveling displays the information system as a single process and then shows more detail until all processes are functional primitives.
Balancing:
1. Balancing maintains consistency among the entire series of diagrams, including input and output data flows, data definition, and process descriptions.
2. Balancing is defined the process which helps to maintain the set of DFD. It also ensures that the data flows for input and output are properly aligned and it maintains consistency among a set of DFDs. A balanced set of DFDs preserves the input and output data flows of the parent on the child DFD.

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