data flow diagram definition

  • noun:
    • a form of circulation chart; a description of information together with handbook and device processing done regarding the data as it moves and changes from a single stage to the next. Additionally includes the areas where in fact the information are positioned in permanent storage space (disk, tape, etc.)
    • a form of movement chart; a description of information as well as the handbook and device handling done in the information because moves and changes from phase to another. It includes the places in which the data are positioned in permanent storage space (disk, tape, etc.)
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