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About: Warnier/Orr diagram     Goto   Sponge   NotDistinct   Permalink

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Type: yago:Abstraction100002137yago:Cognition100023271yago:Concept105835747yago:Content105809192yago:Datum105816622yago:Idea105833840yago:Information105816287yago:PsychologicalFeature100023100yago:WikicatDataModelingDiagramsyago:WikicatProgrammingLanguageConcepts New Facet based on Instances of this Class

A Warnier/Orr diagram (also known as a logical construction of a program/system) is a kind of hierarchical flowchart that allows the description of the organization of data and procedures. They were initially developed 1976, in France by Jean-Dominique Warnier and in the United States by Kenneth Orr on the foundation of Boolean algebra. This method aids the design of program structures by identifying the output and processing results and then working backwards to determine the steps and combinations of input needed to produce them. The simple graphic method used in Warnier/Orr diagrams makes the levels in the system evident and the movement of the data between them vivid.