data flow diagram


data flow diagram
A type of flow chart; a description of data and the manual and machine processing performed on the data as it moves and changes from one stage to the next. It also includes the locations where the data are placed in permanent storage (disk, tape, etc.)

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  • Data flow diagram — example.[1] A data flow diagram (DFD) is a graphical representation of the flow of data through an information system, modelling its process aspects. Often they are a preliminary step used to create an overview of the system which can later be… …   Wikipedia

  • data flow diagram — UK US noun [C] (ABBREVIATION DFD) ► a drawing, often produced by a computer, that shows how and in what order information is dealt with in a system: »Use a data flow diagram to show the relationships between the business processes within an… …   Financial and business terms

  • data flow diagram — data flow chart …   Accounting dictionary

  • Data flow diagram — …   Википедия

  • Data structure diagram — Example of a Data Structure Diagram. A Data Structure Diagram (DSD) is a data model used to describe conceptual data models by providing graphical notations which document entities and their relationships, and the constraints that binds them. The …   Wikipedia

  • Flow diagram — can refer to: * Flowchart, schematic representation of a process * Functional flow block diagram * Data flow diagram, a graphical representation of the flow of data through an information system * Process flow diagram, in Operations, a graphical… …   Wikipedia

  • data flow chart — data flow diagram A chart that illustrates the way in which specified data is handled by a computer program. Its purpose is to specify the data, to show where it is used or changed, where it is stored, and which reports use it …   Accounting dictionary

  • data flow chart — data flow diagram A chart that illustrates the way in which specified data is handled by a computer program. Its purpose is to specify the data, to show where it is used or changed, where it is stored, and which reports use it …   Big dictionary of business and management

  • Control flow diagram — Example of a so called performance seeking control flow diagram .[1] A control flow diagram (CFD) is a diagram to describe the control flow of a business process, process or program. Contr …   Wikipedia

  • Process flow diagram — A process flow diagram (PFD) is a diagram commonly used in chemical and process engineering to indicate the general flow of plant processes and equipment. The PFD displays the relationship between major equipment of a plant facility and does not… …   Wikipedia


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