Such a diagram pictures the system at the center, with no details of its interior structure, surrounded by all its External entities, interacting systems, and environments. The entire software system is shown as a single process. Thus, within the document.Ī system context diagram represents all external entities that may interact with a system. A system context diagram is often used early in a project to determine the scope under investigation. The objective of the system context diagram is to focus attention on external factors and events that should be considered in developing a complete set of systems requirements and constraints. It must be read by all project stakeholders and thus should be written in plain language, so the stakeholders can understand items The Purpose of a System Context Diagram A context diagram is typically included in a requirements document. It identifies the flows of information between the system and external entities (i.e. The system context diagram (also known as a level 0 DFD) is the highest level in a data flow diagram and contains only one process, representing the entire system, which establishes the context and boundaries of the system to be modeled. View and play PowerPoint presentations online.
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