What Are The Three Types Of Data Flow? When communication is simplex, it occurs unidirectionally, as on a one-way street ... As a level 2 data flow diagram (DFD), you can see more detail about the ...

What Is Level 1 Data Flow Diagram? Describe a level 1 DFD. Context diagrams (level 0 DFDs) represent the entire system as a single process in a diagram. There are four main processes outlined in a ...