Exam 6: Object Modeling

-As shown in the accompanying figure, the system ____________________ shows what is included in the system (inside the rectangle) and what is not included in the system (outside the rectangle).

You can view an object as a(n) ____________________, because a message to the object triggers changes within the object without specifying how the changes must be carried out.

The ____ of an object is an adjective that describes the object's current status.

-In a sequence diagram, a lifeline is identified by a ____ line.

If you do not use a CASE-generated model, it is not necessary that a diagram or object definition be supported by documentation.

Explain what a message is, using examples to demonstrate your understanding, and use the terms black box and encapsulation in your response.

-A use case ____ is a visual summary of several related use cases within a system or subsystem.

-A(n) ____________________ shows the object classes and relationships involved in a use case.

For each use case, you develop a use case ____________________ in the form of a table that documents the name of the use case, the actor, a description of the use case, and so forth.

-In a sequence diagram, a(n) ____________________ is identified by a rectangle with the name inside.

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

The concept that a message gives different meanings to different objects is called ____.

A(n) ____ is a group of similar objects.

In a sequence diagram, classes that send or receive messages are shown at the bottom of the diagram.

Which of the following is an attribute of a car?

A major advantage of O-O designs is that systems analysts can save time and avoid errors by using modular objects.

In a use case, the ____________________ is shown as a stick figure.

Which of the following does Alex's roommate use as an example of an instance of the APPLIANCE class?

MATCHING Identify the letter of the choice that best matches the phrase or definition.a.class diagram f.activity diagram b.BPM g.CASE tools c.lifeline h.black box d.object relationship diagram i.UML e.state transition diagram j.system boundary -In this, lines show relationships between classes and have labels identifying the action that relates the two classes.

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