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 ...

What Is A Level 2 Diagram? As a level 2 data flow diagram (DFD), you can see more detail about the processes that go into an information system than in a level 1 DFD. Plans and records can be created ...