Context Level DFD Clause Samples

Context Level DFD. The context level data flow diagram shows the interaction between the system and external agents which acts as data sources and data sinks. On the context diagram system's interactions with the outside world are modelled purely in terms of data flows across system boundary. The context diagram shows the entire system as a single process, and gives no clues as to its internal organization. Following figure an example of context level diagram in the existing MIS in GLIC. External entity Application for buying Submit for the receive External entity Underwriter checks the proposal is acceptable or Hand-over the Policy paper Issue Policy Process Receive Premium and Register Policy External entity External entity