Data Flow Diagram

Data Flow Diagram Consist of Three Level

- First Level limit number of entity and one process only.

- Second level user can enter more than one process and entity limit to 8 entity.

- Third level user can draw unlimited number of process and entity and link between them.

user enter number of entity and process and program drawing graphical image automatically

and user can edit on graphical image remove or add process or entity,

user can link between process and entity ,process and process, entity and entity.