Use Case Modelling
Use Case Modelling is a very popular technique to find out user requirement Use cases describe the system from the user's point of view A use case defines the interactions between external actors and the system under consideration to accomplish a goal It describe the interaction between one or more actors and the system itself represented as a sequence of simple steps There are main formats used to express use cases: High-Level format and Expand format A High-Level use case describes a process very briefly. This format is typically useful during the early stages of a development project. An Expanded use case describes a process in more detail than a high level description. An expanded use case description includes a step by step description includes a step by step description of the typical course of events for the use case. It is sometimes useful during requirements gathering and analysis. A use case defines a sequence of actions performed by a system that yields and observab...
