Podcast
Questions and Answers
What does an object represented by a box shape with an underlined title in a UML SSD model?
What does an object represented by a box shape with an underlined title in a UML SSD model?
What do stick figures typically represent in a UML SSD?
What do stick figures typically represent in a UML SSD?
What is represented by a dashed line in a UML SSD?
What is represented by a dashed line in a UML SSD?
What can a lifeline in a UML SSD begin with?
What can a lifeline in a UML SSD begin with?
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What is NOT true about an actor in a UML SSD?
What is NOT true about an actor in a UML SSD?
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Study Notes
Notations in SSD
- A box shape with an underlined title represents a class or object in UML, modeling the system as a black box (a system with internal workings that are not immediately visible).
Actors in SSD
- Actors are entities that interact with the system, but are external to it.
- Actors are represented by stick figures.
Events in SSD
- Events are system events generated by actors in a sequence.
- A dashed line, known as a lifeline, represents events in an SSD.
- Lifelines may begin with a labeled rectangle shape or an actor symbol.
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Description
Learn about SSD notations in UML, including objects, actors, and events. This quiz covers the basics of SSDs, including modeling systems as black boxes and representing events with lifelines.
