Use Cases in Systems Analysis and Design
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Questions and Answers

What is a trigger in the context of a use case?

  • A set of activities that produce some output result
  • A situation when the system is complicated
  • An event that causes the use case to be executed (correct)
  • A response to a triggering event

    • What is the role of use cases in event-driven modeling?

  • Everything in the system is a response to some triggering event (correct)
  • All possible responses to the event are documented
  • Use cases are helpful when the situation is complicated
  • Describing how the system reacts to an event

    • What elements are included in a use case?

  • All possible responses to the event
  • Trigger, event-driven modeling, and outcome
  • Basic information, name, number, and brief description (correct)
  • Complex system reactions and events

    • What does a use case describe?

    <p>How the system reacts to an event that triggers the system</p> Signup and view all the answers

    When are use cases helpful?

    <p>When the situation is complicated</p> Signup and view all the answers

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