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Science
Computer Science
Ch. 6 example #34260
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Ch. 6
Issac Walker
25 July 2022
4.7
(114 reviews)
25 test answers
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question
An object has certain ____, like the make, model, and color of a car.
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attributes
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____ resemble verbs that describe what and how an object does something.
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Methods
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The concept that a message gives different meanings to different objects is called ____.
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polymorphism
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A major advantage of O-O designs is that systems analysts can save time and avoid errors by using ____ objects.
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modular
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____ allows objects to be used as modular components anywhere in the system.
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Encapsulation
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objects within a class can be grouped into ____, which are more specific categories within a class.
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subclasses
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An object belongs to a group or category called a(n) ____.
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class
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A class can belong to a more general category called a ____.
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superclass
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____ enable objects to communicate and interact as they perform business functions and transactions required by the system.
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Relationships
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Inheritance enables a ____ to derive one or more of its attributes from a parent.
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child
question
An object ____ diagram shows the objects and how they interact to perform business functions and transactions.
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relationship
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An object's ____ are the tasks or functions the object performs.
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methods
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In a use case, an external entity is called a(n) ____.
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actor
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The UML symbol for a use case is a(n) ____ with a label that describes the action or event.
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oval
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The line from the actor to a use case is called a(n) ____.
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association
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When you create a use case diagram, the first step is to identify the system boundary, which is represented by a ____.
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rectangle
question
Which of the following is not represented by a symbol in a sequence diagram?
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Indices
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In a sequence diagram, a lifeline is identified by a ____ line.
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dashed
question
A(n) ____ is a specific member of a class.
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instance
question
Your red Mustang is a(n) ____ of the CAR class.
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Instance
question
The UML represents an object as a(n) ____ with the object name at the top, followed by the object's attributes and methods.
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rectangle
question
In an object-oriented system, objects can ____ certain attributes from other objects.
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inherit
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The ____ of an object is an adjective that describes the object's current status.
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state
question
Objects can have a specific attribute called a(n) ____.
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state
question
A(n) ____ defines specific tasks that an object can perform.
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method
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