Sad_Finals Ch10

Front 1

Which of the following is the main goal of the object-oriented approach?
A. maintaining systems
B. minimizing the impact of change
C. reusability
D. functional control

Back 1

C. reusability

Front 2

When classes are involved in inheritance, another name for a child class is:
A. a base class.
B. a derived class.
C. a superclass.
D. an instantiated class.

Back 2

B. a derived class.

Front 3

When attributes are preceded by a minus sign, it means that:
A. the attributes are private.
B. the attributes are public.
C. the attributes are static.
D. the attributes are undefined.

Back 3

A. the attributes are private.

Front 4

A template that the analyst may use when beginning to model or talk about the system from an O-O perspective is called a:
A. CRC card.
B. UML descriptor.
C. whole-part structure.
D. design layer.
E. User Message Language.

Back 4

A. CRC card.

Front 5

Which of the following is not one of the main components of UML?
A. things
B. relationships
C. entities
D. diagrams

Back 5

C. entities

Front 6

Behavioral diagrams include all of the following except:
A. activity diagrams.
B. communication diagrams.
C. class diagrams.
D. use case diagrams.
E. sequence diagrams.

Back 6

C. class diagrams.

Front 7

Which of the following is a structural diagram?
A. use case diagram
B. statechart diagram
C. sequence diagram
D. class diagram

Back 7

D. class diagram

Front 8

Which of the following is not one of the six most commonly used UML diagrams?
A. activity diagram
B. CRC card relationship diagram
C. use case diagram
D. statechart diagram

Back 8

B. CRC card relationship diagram

Front 9

Which of the following is not described by a use case?
A. the actor that initiates an event
B. the use case that performs the actions
C. the event that triggers the use case
D. the objects required by the use case

Back 9

D. the objects required by the use case

Front 10

Which of the following are not shown on an activity diagram?
A. classes
B. events
C. decisions that are made
D. sequential activities

Back 10

A. classes

Front 11

On an activity diagram, what is used to show parallel activities?
A. an arrow
B. a synchronization bar
C. a swimlane
D. a diamond

Back 11

B. a synchronization bar

Front 12

On an activity diagram, what is used to show partitioning?
A. a synchronization bar
B. a swimlane
C. a diamond
D. a filled-in circle

Back 12

B. a swimlane

Front 13

A mechanism for communicating between a server and a mainframe computer is called a:
A. message queue.
B. swimlane.
C. synchronization bar.
D. EBCDIC conversion unit.

Back 13

A. message queue.

Front 14

On a sequence diagram, a lateral bar or vertical rectangle is used to represent:
A. messages sent between classes.
B. the time sequence of activities.
C. the focus of control, when an object is busy doing things.
D. the lifeline for the class or object.

Back 14

C. the focus of control, when an object is busy doing things.

Front 15

Solid arrowheads used for messages on a sequence diagram represent:
A. inheritance relationships.
B. return parameters.
C. asynchronous messages.
D. synchronous messages.

Back 15

D. synchronous messages.

Front 16

Which of the following is not a format for sending messages between classes on a sequence diagram?
A. messageName( )
B. messageName(parameter1, parameter2)
C. messageName(parameter1:returnValue, parameter2:returnValue)
D. messageName(parameterType:parameterName(defaultValue))

Back 16

C. messageName(parameter1:returnValue, parameter2:returnValue)

Front 17

What is used to show time ordering on a communication diagram?
A. a sequence number
B. a synchronous arrow
C. an asynchronous arrow
D. a focus of control

Back 17

A. a sequence number

Front 18

A private attribute on a class diagram:
A. does not change its value for different object instances.
B. is hidden from all classes except immediate subclasses.
C. is only available in the object.
D. is available to the class and all classes that have relationships with the attribute's class.

Back 18

C. is only available in the object.

Front 19

Method overloading means that:
A. the same method may be defined differently in inherited classes.
B. the same method may be defined more than once in a given class.
C. the method may have parameters passed to it from more than one relating class.
D. the method may be used on different platforms, such as a server or client computer.

Back 19

B. the same method may be defined more than once in a given class.

Front 20

Which type of class represents real-world items?
A. entity
B. interface
C. abstract
D. control

Back 20

A. entity

Front 21

Which type of class provides a means for users to work with the system?
A. entity
B. boundary or interface
C. abstract
D. control

Back 21

B. boundary or interface

Front 22

Which type of class cannot be directly instantiated?
A. entity
B. interface
C. abstract
D. control

Back 22

C. abstract

Front 23

Which type of class acts as a coordinator when implementing classes?
A. entity
B. interface
C. abstract
D. control

Back 23

D. control

Front 24

Which of the following is not a way to store and retransmit data from a Web page?
A. Store the information in a cookie.
B. Include the information in the URL.
C. Store the data in a message queue.
D. Include the data in a hidden field.

Back 24

C. Store the data in a message queue.

Front 25

A statechart diagram is created for:
A. a single class.
B. a single use case.
C. an activity on an activity diagram.
D. a group of classes connected with relationships.

Back 25

A. a single class.

Front 26

Object-oriented techniques work well in situations where ________ information systems are undergoing continuous maintenance, adaptation, and redesign.
A. complicated
B. simple
C. highly technical
D. global

Back 26

A. complicated

Front 27

Objects are represented by and grouped into ________ that are optimal for reuse and maintainability.
A. objects
B. views
C. classes
D. displays

Back 27

C. classes

Front 28

The term ________ is used when an object is created from a class.
A. class
B. updated
C. made
D. instantiate

Back 28

D. instantiate

Front 29

When using inheritance, the child class is also know as a ________ class.
A. parent
B. derived
C. primary
D. secondary

Back 29

B. derived

Front 30

When one class is created from another class it is called ________.
A. inheritance
B. dower
C. parenting
D. settlement

Back 30

A. inheritance

Front 31

________ reduces programming labor by reusing common objects easily.
A. Inheritance
B. Dower
C. Parenting
D. Settlement

Back 31

A. Inheritance

Front 32

A ________, ________, and ________ card may be used when the analyst is beginning to model or talk about the system from an O-O perspective.
A. class; responsibilities; collaborators
B. class; responsibilities; collections
C. class; revisions; collaborators
D. collection; responsibilities; collaborators

Back 32

A. class; responsibilities; collaborators

Front 33

________ describe the interactions of two or more things that perform a behavior that is more than any one of the things can do alone.
A. Communication diagrams
B. Concept diagrams
C. Structural diagrams
D. Behavioral diagrams.

Back 33

A. Communication diagrams

Front 34

________ show the same information as a sequence diagram.
A. Communication diagrams
B. Concept diagrams
C. Structural diagrams
D. Behavioral diagrams.

Back 34

A. Communication diagrams

Front 35

________ diagrams are used to model the static structural design view of a system.
A. Class
B. Concept diagrams
C. Structural diagrams
D. Behavioral diagrams.

Back 35

A. Class