Posted by tac_admin, August 9, 2011

What is a Use Case?

What is a Use Case?

  • Created by Ivar Jacobson (1994)
  • A technique for capturing Functional requirements of a system
  • A use case is a sequence of transactions in a system whose task is to yield a measurable value to an individual actor of the system
  • Describes WHAT the system (as a “Black Box”) does from a user’s (actor) perspective
  • Represents a complete behavior as perceived by an actor
  • A use case satisfies an actor’s goal
  • Use cases typically avoids technical jargon, preferring instead the language of the end user or domain expert.
  • Use cases are often co-authored by business analysts and end users.

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