Create an account
"The narratives, flowcharts, diagrams, and other written materials that explain how a system works."
Data Flow Diagram (DFD)
"A graphical description of the source and destination of data that shows data flow within an organization, the processes performed on the data, and how data are stored."
A graphical description of the flow of documents and information between departments or areas of responsibility within an organization.
"A graphical description of the relationship among the input, processing, and output in an information system."
A graphical description of the sequence of logical operations that a computer performs as it executes a program.
"Represents the flow of data between processes, data stores, and data sources and destinations."
"An Analytical technique used to describe some aspect of an information system in a clear, concise, and logical manner."
Devices or media that provide input to or record output from processing operations.
Either shows what type of device is used to process data or indicate when processing is performed manually.
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together