Use Case Diagram Quiz
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Questions and Answers

What is the graphical representation of a use case in a use case diagram?

  • Horizontal ellipse (correct)
  • Solid line
  • Stick figure
  • Vertical rectangle

How are actors represented in a use case diagram?

  • Horizontal ellipses
  • Stick figures (correct)
  • Vertical rectangles
  • Solid lines

What indicates the associations between actors and use cases in a use case diagram?

  • Curved lines
  • Arrows
  • Solid lines (correct)
  • Dotted lines

What is the purpose of a system boundary box in a use case diagram?

<p>Indicates the scope of the system (D)</p> Signup and view all the answers

How are model elements organized into groups in a use case diagram?

<p>Packages as file folders (B)</p> Signup and view all the answers

What is the purpose of a system boundary box in a use case diagram?

<p>The system boundary box indicates the scope of the system.</p> Signup and view all the answers

How are actors represented in a use case diagram?

<p>Actors are represented as stick figures.</p> Signup and view all the answers

What indicates the associations between actors and use cases in a use case diagram?

<p>Associations between actors and use cases are indicated by solid lines.</p> Signup and view all the answers

What are packages in a use case diagram?

<p>Packages are UML constructs that enable the organization of model elements, such as use cases, into groups.</p> Signup and view all the answers

What is the graphical representation of a use case in a use case diagram?

<p>A use case is drawn as a horizontal ellipse.</p> Signup and view all the answers

Study Notes

Use Case Diagram

  • A use case is a sequence of actions that provide something of measurable value to an actor and is represented by a horizontal ellipse.
  • A use case describes a specific interaction between actors and the system.

Actors

  • An actor is a person, organization, or external system that plays a role in one or more interactions with the system.
  • Actors are represented by stick figures in use case diagrams.

Associations

  • Associations between actors and use cases are indicated by solid lines in use case diagrams.
  • An association exists whenever an actor is involved with an interaction described by a use case.

System Boundary Boxes

  • System boundary boxes are optional rectangles drawn around the use cases to indicate the scope of the system.
  • They help to clarify the boundaries of the system.

Packages

  • Packages are UML constructs that enable organizing model elements (such as use cases) into groups.
  • Packages are depicted as file folders and can be used on various UML diagrams, including use case diagrams and class diagrams.
  • They help to organize and structure the model elements.

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Description

Test your knowledge of use case diagrams and their components with this quiz. Learn about actors, associations, and the elements of use case diagrams through interactive questions and scenarios.

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