A data flow ... components, understanding the relationships between them, and identifying potential bottlenecks that may arise. The main purpose of a DFD is to give a high-level view of how data moves ...

A data flow diagram is a ... architecture. In a high-level context, processes, external entities, and data stores are identified. Processes denote activities or components that manipulate data ...

Software source code for PLC's is based on graphical data ... flow of the functional block diagram (FBD). The software development process has multiple phases. More time and cost to be spent in the ...