Chapter 06 Object Modeling MCQ PDF

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Chapter 06 Object Modeling MCQ...

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Multiple Choice 31. _____ is a widely used method of visualizing and documenting an information system. a. Unified Modeling Language (UML) b. The Java Virtual Machine (JVM) c. The UNiplexed Information and Computing System (UNIX) d. Multimedia Logic (ML) ANSWER: a RATIONALE: The Unified Modeling Language (UML) is a widely used method of visualizing and documenting an information system. POINTS: 1 DIFFICULTY: Easy REFERENCES: 181 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.01 - Demonstrate how object-oriented analysis can be used to describe an information system NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Overview of Object-Oriented Analysis KEYWORDS: Bloom’s: Remember DATE CREATED: 1/30/2019 11:37 AM DATE MODIFIED: 5/13/2019 4:46 PM 32. A(n) _____ represents a person, a place, an event, or a transaction that is significant to the information system. a. object b. instance c. class d. model ANSWER: a RATIONALE: An object represents a real person, place, event, or transaction. POINTS: 1 DIFFICULTY: Easy REFERENCES: 181 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.01 - Demonstrate how object-oriented analysis can be used to describe an information system NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Overview of Object-Oriented Analysis KEYWORDS: Bloom’s: Remember

DATE CREATED: DATE MODIFIED:

1/30/2019 11:37 AM 5/9/2019 7:02 PM

33. An object has certain _____, which are characteristics that describe the object, such as the make, model, and color of a car. a. keys b. attributes c. indices d. elements ANSWER: b RATIONALE: An object has certain attributes, which are characteristics that describe the object. POINTS: 1 DIFFICULTY: Easy REFERENCES: 183 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.03 - Explain object attributes NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Overview of Object-Oriented Analysis KEYWORDS: Bloom’s: Remember DATE CREATED: 1/30/2019 11:37 AM DATE MODIFIED: 5/10/2019 9:37 AM 34. An object’s _____ are the tasks or functions that the object performs when it receives a command to do so. a. roles b. utilities c. instances d. methods ANSWER: d RATIONALE: An object also has methods, which are tasks or functions that the object performs when it receives a message, or command, to do so. POINTS: 1 DIFFICULTY: Moderate REFERENCES: 183 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.04 - Explain object methods NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Overview of Object-Oriented Analysis KEYWORDS: Bloom’s: Remember

DATE CREATED: DATE MODIFIED:

1/30/2019 11:37 AM 5/10/2019 9:38 AM

35. A car performs a(n) _____ called OPERATE WIPERS when it is sent a message with the wiper control. a. method b. role c. command d. objective ANSWER: a RATIONALE: A car performs a method called OPERATE WIPERS when it is sent a message with the wiper control. POINTS: 1 DIFFICULTY: Easy REFERENCES: 183 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.04 - Explain object methods NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Overview of Object-Oriented Analysis KEYWORDS: Bloom’s: Understand DATE CREATED: 1/30/2019 11:37 AM DATE MODIFIED: 5/10/2019 9:39 AM 36. An object belongs to a group or category called a(n) _____. a. aggregate b. concatenation c. class d. packet ANSWER: c RATIONALE: An object belongs to a group or category called a class. POINTS: 1 DIFFICULTY: Easy REFERENCES: 184 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.06 - Explain classes NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Overview of Object-Oriented Analysis KEYWORDS: Bloom’s: Remember DATE CREATED: 1/30/2019 11:37 AM DATE MODIFIED: 5/13/2019 4:49 PM

37. A(n) _____ is a specific member of a class. a. key b. index c. file d. instance ANSWER: d RATIONALE: An instance is a specific member of a class. POINTS: 1 DIFFICULTY: Easy REFERENCES: 184 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.06 - Explain classes NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Overview of Object-Oriented Analysis KEYWORDS: Bloom’s: Remember DATE CREATED: 1/30/2019 11:37 AM DATE MODIFIED: 5/10/2019 9:42 AM 38. A red Mustang is a(n) _____ of the CAR class. a. index b. key c. metric d. instance ANSWER: d RATIONALE: A Toyota Camry, for example, is an instance of the CAR class. At an auto dealership, many instances of the CAR class may be observed: the TRUCK class, the MINIVAN class, and the SPORT UTILITY VEHICLE class, among others. POINTS: 1 DIFFICULTY: Easy REFERENCES: 184 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.06 - Explain classes NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Overview of Object-Oriented Analysis KEYWORDS: Bloom’s: Understand DATE CREATED: 1/30/2019 11:37 AM DATE MODIFIED: 5/13/2019 4:52 PM

39. The Unified Modeling Language (UML) represents an object as a _____ with the object name at the top, followed by the object’s attributes and methods. a. circle b. rectangle c. pentagon d. rhombus ANSWER: b RATIONALE: UML represents an object as a rectangle with the object name at the top, followed by the object’s attributes and methods. POINTS: 1 DIFFICULTY: Easy REFERENCES: 181 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.02 - Explain what an object represents in an information system NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Overview of Object-Oriented Analysis KEYWORDS: Bloom’s: Remember DATE CREATED: 1/30/2019 11:37 AM DATE MODIFIED: 5/10/2019 9:46 AM 40. In an object-oriented system, objects can _____ certain attributes from other objects. a. broadcast b. concatenate c. inherit d. reformat ANSWER: c RATIONALE: In an O-O system, objects can inherit, or acquire, certain attributes from other objects. POINTS: 1 DIFFICULTY: Easy REFERENCES: 183 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.03 - Explain object attributes NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Overview of Object-Oriented Analysis KEYWORDS: Bloom’s: Understand DATE CREATED: 1/30/2019 11:37 AM DATE MODIFIED: 5/10/2019 9:50 AM 41. The _____ of an object is an adjective that describes the object’s current status.

a. polymorphism b. encapsulation c. resemblance d. state ANSWER: RATIONALE: POINTS: DIFFICULTY: REFERENCES: QUESTION TYPE: HAS VARIABLES: LEARNING OBJECTIVES: NATIONAL STANDARDS: TOPICS: KEYWORDS: DATE CREATED: DATE MODIFIED:

d The state of an object is an adjective that describes the object’s current status. 1 Easy 183 Multiple Choice False SAD.12e.06.03 - Explain object attributes United States - BUSPROG: Technology Overview of Object-Oriented Analysis Bloom’s: Remember 1/30/2019 11:37 AM 5/10/2019 9:51 AM

42. A bank account object can have a specific attribute called a(n) _____ that can be active, inactive, closed, or frozen. a. state b. grade c. instance d. status ANSWER: a RATIONALE: The state of an object is an adjective that describes the object's current status. For example, a bank account can be active, inactive, closed, or frozen. POINTS: 1 DIFFICULTY: Easy REFERENCES: 183 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.03 - Explain object attributes NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Overview of Object-Oriented Analysis KEYWORDS: Bloom’s: Remember DATE CREATED: 1/30/2019 11:37 AM DATE MODIFIED: 5/13/2019 4:59 PM 43. A(n) _____ resembles a verb and defines specific tasks that an object can perform.

a. attribute b. method c. command d. message ANSWER: RATIONALE: POINTS: DIFFICULTY: REFERENCES: QUESTION TYPE: HAS VARIABLES: LEARNING OBJECTIVES: NATIONAL STANDARDS: TOPICS: KEYWORDS: DATE CREATED: DATE MODIFIED:

b Methods resemble verbs that describe what and how an object does something. 1 Easy 183 Multiple Choice False SAD.12e.06.04 - Explain object methods United States - BUSPROG: Technology Overview of Object-Oriented Analysis Bloom’s: Remember 1/30/2019 11:37 AM 5/10/2019 9:53 AM

44. A _____ is a command that tells an object to perform a certain method. a. dictum b. message c. pledge d. pronouncement ANSWER: b RATIONALE: A message is a command that tells an object to perform a certain method. POINTS: 1 DIFFICULTY: Easy REFERENCES: 183 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.05 - Explain object messages NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Overview of Object-Oriented Analysis KEYWORDS: Bloom’s: Remember DATE CREATED: 1/30/2019 11:37 AM DATE MODIFIED: 5/10/2019 9:55 AM 45. The concept that a message gives different meanings to different objects is called _____. a. encapsulation b. dynamic addressing c. polymorphism

d. linear addressing ANSWER: RATIONALE: POINTS: DIFFICULTY: REFERENCES: QUESTION TYPE: HAS VARIABLES: LEARNING OBJECTIVES: NATIONAL STANDARDS: TOPICS: KEYWORDS: DATE CREATED: DATE MODIFIED:

c The concept that a message gives different meanings to different objects is called polymorphism. 1 Easy 183 Multiple Choice False SAD.12e.06.05 - Explain object messages United States - BUSPROG: Technology Overview of Object-Oriented Analysis Bloom’s: Remember 1/30/2019 11:37 AM 5/10/2019 9:56 AM

46. An object can be viewed as a(n) _____, because a message to the object triggers changes within the object without specifying how the changes must be carried out. a. black box b. class diagram c. use case d. activity diagram ANSWER: a RATIONALE: An object can be viewed as a black box, because a message to the object triggers changes within the object without specifying how the changes must be carried out. POINTS: 1 DIFFICULTY: Moderate REFERENCES: 184 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.05 - Explain object messages NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Overview of Object-Oriented Analysis KEYWORDS: Bloom’s: Remember DATE CREATED: 1/30/2019 11:37 AM DATE MODIFIED: 5/10/2019 9:57 AM 47. The black box concept is an example of _____, which means that all data and methods are selfcontained. a. polymorphism b. inheritance c. encapsulation

d. use case modeling ANSWER: RATIONALE: POINTS: DIFFICULTY: REFERENCES: QUESTION TYPE: HAS VARIABLES: LEARNING OBJECTIVES: NATIONAL STANDARDS: TOPICS: KEYWORDS: DATE CREATED: DATE MODIFIED:

c The black box concept is an example of encapsulation, which means that all data and methods are self-contained. 1 Easy 184 Multiple Choice False SAD.12e.06.05 - Explain object messages United States - BUSPROG: Technology Overview of Object-Oriented Analysis Bloom’s: Understand 1/30/2019 11:37 AM 5/10/2019 9:58 AM

48. _____ allows objects to be used as modular components anywhere in a system. a. Dynamic addressing b. Technical feasibility c. Encapsulation d. Linear addressing ANSWER: c RATIONALE: Encapsulation allows objects to be used as modular components anywhere in the system, because objects send and receive messages but do not alter the internal methods of other objects. POINTS: 1 DIFFICULTY: Moderate REFERENCES: 184 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.05 - Explain object messages NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Overview of Object-Oriented Analysis KEYWORDS: Bloom’s: Remember DATE CREATED: 1/30/2019 11:37 AM DATE MODIFIED: 5/10/2019 9:59 AM 49. A major advantage of object-oriented (O-O) designs is that systems analysts can save time and avoid errors by using _____ objects. a. dynamic b. feasible c. modular

d. linear ANSWER: RATIONALE:

POINTS: DIFFICULTY: REFERENCES: QUESTION TYPE: HAS VARIABLES: LEARNING OBJECTIVES: NATIONAL STANDARDS: TOPICS: KEYWORDS: DATE CREATED: DATE MODIFIED:

c A major advantage of O-O designs is that systems analysts can save time and avoid errors by using modular objects, and programmers can translate the designs into code, working with reusable program modules that have been tested and verified. 1 Moderate 184 Multiple Choice False SAD.12e.06.05 - Explain object messages United States - BUSPROG: Technology Overview of Object-Oriented Analysis Bloom’s: Understand 1/30/2019 11:37 AM 5/10/2019 10:01 AM

50. All objects within a(n) _____ share common attributes and methods. a. catalog b. register c. index d. class ANSWER: d RATIONALE: All objects within a class share common attributes and methods. POINTS: 1 DIFFICULTY: Easy REFERENCES: 184 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.06 - Explain classes NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Overview of Object-Oriented Analysis KEYWORDS: Bloom’s: Understand DATE CREATED: 1/30/2019 11:37 AM DATE MODIFIED: 5/10/2019 10:03 AM 51. Objects within a class can be grouped into _____, which are more specific categories within a class. a. grids b. units c. subclasses

d. matrices ANSWER: RATIONALE: POINTS: DIFFICULTY: REFERENCES: QUESTION TYPE: HAS VARIABLES: LEARNING OBJECTIVES: NATIONAL STANDARDS: TOPICS: KEYWORDS: DATE CREATED: DATE MODIFIED:

c Objects within a class can be grouped into subclasses, which are more specific categories within a class. 1 Easy 184 Multiple Choice False SAD.12e.06.06 - Explain classes United States - BUSPROG: Technology Overview of Object-Oriented Analysis Bloom’s: Remember 1/30/2019 11:37 AM 5/10/2019 10:04 AM

52. A class can belong to a more general category called a _____. a. superclass b. register c. subclass d. catalog ANSWER: a RATIONALE: A class can belong to a more general category called a superclass. POINTS: 1 DIFFICULTY: Easy REFERENCES: 184 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.06 - Explain classes NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Overview of Object-Oriented Analysis KEYWORDS: Bloom’s: Remember DATE CREATED: 1/30/2019 11:37 AM DATE MODIFIED: 5/10/2019 10:05 AM 53. _____ enable objects to communicate and interact as they perform business functions and transactions required by a system. a. Aggregates b. Relationships c. Clusters d. Linkages ANSWER: b

RATIONALE: POINTS: DIFFICULTY: REFERENCES: QUESTION TYPE: HAS VARIABLES: LEARNING OBJECTIVES: NATIONAL STANDARDS: TOPICS: KEYWORDS: DATE CREATED: DATE MODIFIED:

Relationships enable objects to communicate and interact as they perform business functions and transactions required by the system. 1 Moderate 186 Multiple Choice False SAD.12e.06.07 - Explain relationships among objects and classes United States - BUSPROG: Technology Relationships among Objects and Classes Bloom’s: Remember 1/30/2019 11:37 AM 5/10/2019 10:07 AM

54. _____ 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. Instances b. Relationships c. Aggregates d. Clusters ANSWER: b RATIONALE: Relationships 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. POINTS: 1 DIFFICULTY: Easy REFERENCES: 186 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.07 - Explain relationships among objects and classes NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Relationships among Objects and Classes KEYWORDS: Bloom’s: Understand DATE CREATED: 1/30/2019 11:37 AM DATE MODIFIED: 5/10/2019 10:09 AM 55. Inheritance enables an object, called a _____, to derive one or more of its attributes from a parent. a. child b. user c. package d. suite ANSWER: a

RATIONALE: POINTS: DIFFICULTY: REFERENCES: QUESTION TYPE: HAS VARIABLES: LEARNING OBJECTIVES: NATIONAL STANDARDS: TOPICS: KEYWORDS: DATE CREATED: DATE MODIFIED:

Inheritance enables an object, called a child, to derive one or more of its attributes from another object, called a parent. 1 Moderate 186 Multiple Choice False SAD.12e.06.07 - Explain relationships among objects and classes United States - BUSPROG: Technology Relationships among Objects and Classes Bloom’s: Remember 1/30/2019 11:37 AM 5/10/2019 6:33 PM

56. An _____ shows the objects and how they interact to perform business functions and transactions. a. object relationship diagram b. object precedent chart c. object antecedent chart d. object interaction diagram ANSWER: a RATIONALE: An object relationship diagram shows the objects and how they interact to perform business functions and transactions. POINTS: 1 DIFFICULTY: Moderate REFERENCES: 186 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.08 - Draw an object relationship diagram NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Relationships among Objects and Classes KEYWORDS: Bloom’s: Understand DATE CREATED: 1/30/2019 11:37 AM DATE MODIFIED: 5/10/2019 10:13 AM 57. A(n) _____ represents the steps in a specific business function or process. a. relationship diagram b. use case c. data flow unit d. interaction diagram ANSWER: b RATIONALE: A use case represents the steps in a specific business function or process. POINTS: 1

DIFFICULTY: REFERENCES: QUESTION TYPE: HAS VARIABLES: LEARNING OBJECTIVES:

NATIONAL STANDARDS: TOPICS: KEYWORDS: DATE CREATED: DATE MODIFIED:

Easy 187 Multiple Choice False SAD.12e.06.09 - Demonstrate use of the UML to describe object-oriented systems, including use cases, use case diagrams, class diagrams, sequence diagrams, state transition diagrams, activity diagrams, and business process models United States - BUSPROG: Technology Object Modeling with the Unified Modeling Language Bloom’s: Remember 1/30/2019 11:37 AM 5/10/2019 10:16 AM

58. In a use case, an external entity, called a(n) _____, initiates a use case by requesting the system to perform a function or process. a. beneficiary b. user c. domain d. actor ANSWER: d RATIONALE: In a use case, an external entity, called an actor, initiates a use case by requesting the system to perform a function or process. POINTS: 1 DIFFICULTY: Easy REFERENCES: 187 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECTIVES: SAD.12e.06.09 - Demonstrate use of the UML to describe object-oriented systems, including use cases, use case diagrams, class diagrams, sequence diagrams, state transition diagrams, activity diagrams, and business process models NATIONAL STANDARDS: United States - BUSPROG: Technology TOPICS: Object Modeling with the Unified Modeling Language KEYWORDS: Bloom’s: Remember DATE CREATED: 1/30/2019 11:37 AM DATE MODIFIED: 5/10/2019 10:18 AM 59. The Unified Modeling Language (UML) symbol for a use case is a(n) _____ with a label that describes the action or event. a. rectangle b. triangle c. dashed line

d. oval ANSWER: RATIONALE: POINTS: DIFFICULTY: REFERENCES: QUESTION TYPE: HAS VARIABLES: LEARNING OBJECTIVES:

NATIONAL STANDARDS: TOPICS: KEYWORDS: DATE CREATED: DATE MODIFIED:

d The UML symbol for a use case is an oval with a label that describes the action or event. 1 Easy 187 Multiple Choice False SAD.12e.06.09 - Demonstrate use of the UML to describe object-oriented systems, including use cases, use case diagrams, class diagrams, sequence diagrams, state transition diagrams, activity diagrams, and business process models United States - BUSPROG: Technology Object Modeling with the Unified Modeling Language Bloom’s: Remember 1/30/2019 11:37 AM 5/10/2019 10:20 AM

60. In a use case, the _____ is shown as a stick figure with a label that identifies its role. a. actor b. association c. linkage d. service request ANSWER: a RATIONALE: The actor is shown as a stick figure, with a label that identifies the actor’s role. POINTS: 1 DIFFICULTY: Easy REFERENCES...