Level 0 Process Flow Diagram. 0 level dfd 1 level dfd and 2 level dfd. If no context diagram exists first create one.
A data flow diagram has no control flow there are no decision rules and no loops. Provides even more detail and continues to break down subprocesses as needed. For example grading system order processing system registration system.
Procurement of asset management process flow.
Its a basic overview of the whole system or. Create the top level detail page for the diagram by dragging interface and process shapes from gane sarson onto the drawing page. Direction of flow from one step or decision. It also depicts the logical flow of information in a system and appropriately.