Exam 6: Object Modeling

____ allows objects to be used as modular components anywhere in the system.

Sequence diagrams, state transition diagrams, and activity diagrams are dynamic modeling tools that can help a systems analyst understand how objects behave and interact with the system.

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

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

A(n) ____________________ represents the steps in a specific business function or process.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -This is mainly used to support O-O system analysis and to develop object models.

The UML uses a set of symbols to represent graphically the ____ within a system.

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

In a state transition diagram, the states appear as rounded rectangles with the state names inside.

An object belongs to a group or category called a(n) ____.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -Ensure consistency and provide common links so that once objects are described and used in one part of the design, they can be reused multiple times without further effort.

Explain what a class diagram is and in your answer, be sure to explain how a class diagram is like a DFD.

-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).

MATCHING Identify the letter of the choice that best matches the phrase or definition. -Shows the order in which the actions take place and identify the outcomes.

A(n) ____ defines specific tasks that an object can perform.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -Requires many types of diagrams to represent the proposed system.

With a(n) ____________________, the objective is to identify the actors and the functions or transactions they initiate.

Objects can have a specific attribute called a(n) ____, which describes the object's current status.

Your car performs a(n) ____ called OPERATE WIPERS when you send a message by moving the proper control.

An object treats data and processes separately.