data flow diagram

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data flow diagram

[′dad·ə ¦flō ‚dī·ə‚gram]
(computer science)
A chart that traces the movement of data in a computer system and shows how the data is to be processed, using circles to represent data. Also known as bubble chart; system flowchart.

Data Flow Diagram

(programming)
A graphical notation used to describe how data flows between processes in a system. Data flow diagrams are an important tool of most structured analysis techniques.

http://smartdraw.com/resources/centers/software/dfd.htm.

data flow diagram

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.).
References in periodicals archive ?
These FPGA technologies deliver productivity and code re-use at the user application layer with a data flow model optimized for DSP processing and full support for custom VHDL cores as well as customer developed IP.
Enterprise and SaaS offer an improved data flow model.
It incorporates an onboard 10GE switch to facilitate very flexible data flow models and enables powerful packet processing solutions needed for the next generation equipment.
SA/Catalyst consolidates appropriate methods from the System Architect tool set to provide business process hierarchies, logical process hierarchies, relationship maps, process maps, process flow diagrams, business data flow models, application context diagrams, organization infrastructure models, program flow diagrams, entity relationship as well as matrix input, matrix reporting and other CSC Catalyst requirements in a single tool.
Through strategic partnerships with leading ESL tool suppliers and the release of this significantly enhanced SonicsStudio, Sonics now provides chip architects the ability to define and model their SoC architecture using data flow models simulated using a range of supported RTL and SystemC simulators in a variety of environments.
Programming with VIP is accomplished by drawing data flow models in the visual workplace along with placing and connecting nodes.
Each SPE can run a different program, and the internal communications allows programmers to arrange the data flow in different ways using parallel, pipelined or streamed processing data flow models.
This expands upon the data flow models associated with traditional ALM that center on core development artifacts.