Behavioural elements - Profound effect on design chosen & implementation approach

Discussion

• Nirja Shah   -Posted on 14 Oct 15
  Scenario-based elements
  - The system is described from the user’s point of view using a scenario-based approach.
  
  Class-based elements
  - Each usage scenario implies a set of “objects” that are manipulated as an actor interacts with the system. These objects are categorized into classes—a collection of things that have similar attributes and common behaviours.
  
  Behavioural elements
  - The behaviour of a computer-based system can have a profound effect on the design that is chosen and the implementation approach that is applied. Therefore, the analysis model must provide modeling elements that depict behaviour.
  
  Flow-oriented elements
  - Information is transformed as it flows through a computer-based system. The system accepts input in a variety of forms; applies functions to transform it; and produces output in a variety of forms.

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