07-08-2012, 02:42 PM
DATA FLOW DIAGRAMS
28490112-Data-Flow-Diagrams.docx (Size: 22.59 KB / Downloads: 20)
Data flow diagrams are used to specifying the flow of data between different modules. Data flow diagrams give us complete knowledge that what happens to a particular data in a particular module and also specifies that what data are used.
There are different levels of data flow diagram: -
Context diagram
Level 0 DFD
Level 1 DFD
Level 2 DFD