Business Analysis Flashcards for next text

Process Modeling

-Graphically represents the system with its environment, its data, the movement of the data, the process of its data, and the storage of its data

-Utilize information gathered during requirements determination

-Structure of the data is also modeled in addition tot he processes

Data Flow Diagrams (DFD)

Graphically illustrate the movement of data between external entities and the processes and data stores within a system

Deliverables and Outcomes

A set of coherent, interrelated data-flow diagrams

Context/System Diagram

Shows the scope of the system; only includes the system, its external entities, and the data flows between the system and its external entities

DFD-0

A more detailed diagram that represents the external entities, the processes, the data flows, and the data stores involved in a system

Gane and Sarson Notation

Four symbols to use in DFDs to represent the flow of data; data-flow symbol; data-store symbol, process symbol, and source/sink symbol