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Exam 6: Object Modeling

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Question 41

True/False

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When use cases are identified, all the related transactions should be kept separate.

A) True
B) False

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Question 42

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An object has certain _____, which are characteristics that describe the object, such as the make, model, and color of a car.

A) keys
B) attributes
C) indices
D) elements

E) A) and C)
F) A) and B)

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Question 43

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An object can be viewed as a(n) _____, because a message to the object triggers changes within the object without specifying how the changes must be carried out.

Matching ​Identify the letter of the choice that best matches the phrase or definition. -After this is identified, the use cases are placed on the diagram, the actors are added, and the relationships are shown.

Matching ​Identify the letter of the choice that best matches the phrase or definition. -This shows the order in which the actions take place and identify the outcomes.

For a use case diagram, the _____ shows what is included in the system and what is not included in the system.

A(n) _____ represents a person, a place, an event, or a transaction that is significant to the information system.

A class diagram resembles a horizontal flowchart that shows the actions and events as they occur.

In structured analysis, _____ are transformed into data structures and program code.

Matching ​Identify the letter of the choice that best matches the phrase or definition. -It is a requirements modeling tool, but it can be used anytime during the systems development process.

_____ is a widely used method of visualizing and documenting an information system.

Class diagrams evolve into code modules, data objects, and other system components.

In a state transition diagram, the circle at the right with a hollow border is the initial state.

In a sequence diagram, the _____ indicates when an object sends or receives a message.

A _____ shows how an object changes from one state to another, depending on events that affect the object.

The Unified Modeling Language (UML) represents an object as a _____ with the object name at the top, followed by the object's attributes and methods.

Just as objects are similar to adjectives, attributes resemble verbs that describe what and how an object does something.

A method is like a blueprint, or template, for all the objects within a class.