Tuesday, April 21, 2009

From-Driven Methodology-The Ipo Charts

In structured design a hierarchy chart represents a good program design it meets the criteria of cohesion and coupling. Each module performs single function (cohesion) and should be independent of the rest of program (coupling). Each criterion calls for more details than are available. This prompts the analyst to develop input/process/output (IPO) charts for each module in the hierarchy chart.

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