Exam 6: Object Modeling

Systems analysts can create diagrams that appear to be correct but are in fact incorrect when it comes to the rules of the UML.

An _____ shows the objects and how they interact to perform business functions and transactions.

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

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

_____ enable objects to communicate and interact as they perform business functions and transactions required by a system.

A(n)_____ resembles a horizontal flowchart that shows the actions and events as they occur.

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

Define encapsulation using the black box concept.

_____ describe what objects need to know about each other,how objects respond to changes in other objects,and the effects of membership in classes,superclasses,and subclasses.

A control is a specific member of a class.

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

A(n)_____ resembles a verb and defines specific tasks that an object can perform.

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

Systems analysts define an object's attributes during the systems design process.

The focus indicates when an object sends or receives a message.

Explain why tools are used in object modeling.