Chapter Exercises Flashcards
How is an actor depicted on a use case diagram?
A stick figure
How is a use case depicted on a use case diagram?
An oval
How is a class depicted on a class diagram?
A box with one, two or three compartments
How is an association depicted on a class diagram?
A solid line joining two class boxes
How is public visibility depicted for a class element on a class diagram?
+ sign
What are the two kinds of UML interaction diagrams?
Communication diagram sequence diagrams
What does an interaction diagram depict?
Objects and messages
What does a statechart diagram depict?
states and events
What is a UML package?
A grouping of model elements
What does a deployment diagram depict?
The physical configuration of the system in terms of physical connections between the nodes
What is a use case?
A sequence of interactions between the user and the objects in the system
What is an actor?
An external entity that interacts with the system
What is the primary actor?
The actor that initiates the use case
What is a secondary actor?
An actor that participates in the use case
What is an alternative sequence in a use case?
A sequence that is different than the main sequence
What can an inclusion use case be used for?
To describe functionality that is common to more than one use case.
What can an extension use case be used for?
To describe functionality of a use case that is extended by another use case
What can an activity diagram be used for in use case modeling?
To depict the activities in the main and alternative sequences of a use case
How can a nonfunctional requirement be described in a use case model?
In a separate section of the use case description
What is a use case package?
A group of related use cases
What is a boundary object?
An object that communicates with an external object
What is a control object?
An object that controls other objects
What is a state-dependent control object?
An object that executes a state machine
What is a coordinator object?
A decision making object
How would you determine a boundary class from the context diagram?
By determining the software classes that communicate with the external classes
What is the timer object?
An object that is awakened by an external timer
What do class structuring criteria help with?
Structuring an application into classes
What is the classification process for application classes analogous to?
Categorizing books in a library
What is the purpose of a stereotype in class structuring>
To label a class according to its class structuring criterion
What is a business logic object?
An object that defines business specific application logic.
What does an interaction diagram depict?
Software objects and the sequence of their interactions
How is an actor depicted on an interaction diagram?
An instance of an actor can provide input to or receive output from a boundary object
What does a sequence diagram depict?
Software objects and the sequence of their interactions
What does a communication diagram depict?
Software objects and the sequence of their interactions
What is the instance form of an interaction diagram?
Depicts one possible sequence of interactions among object instances
What is the generic form of an interaction diagram?
Depicts all possible interactions among objects
During dynamic interaction modeling use cases are realized as follows:
Determine objects that participate in each use case and the sequence of interactions among them
Which of the following interactions could happen on an interaction diagram?
An external user sends a message to a user interaction object
Which of the following interactions is NOT likely to happen on an interaction diagram
An input object sends a message to a printer object
What kind of object would be the first object to receive an input from an external object?
A boundary object
