Question 1

Which one of the following statements does NOT accurately describe object-oriented programs?

Accepted Answer

A)  they are populated with objects that don't have properties 
B)  they are populated with objects that hold data 
C)  they are populated with objects that respond to methods 
D)  they are populated with objects that raise events 
A)  they are populated with objects that don't have properties 
B)  they are populated with objects that hold data 
C)  they are populated with objects that respond to methods 
D)  they are populated with objects that raise events

Question 2

Which of the following statements best applies to the term user-defined events?

Accepted Answer

A)  User-defined events represent specific instances of a user-defined type. 
B)  User-defined events are used to communicate changes of properties, errors, and the progress of lengthy operations. 
C)  User-defined events are predefined objects with physical manifestations. 
D)  User-defined events are populated with objects that hold data, have properties, respond to methods, and raise events. 
A)  User-defined events represent specific instances of a user-defined type. 
B)  User-defined events are used to communicate changes of properties, errors, and the progress of lengthy operations. 
C)  User-defined events are predefined objects with physical manifestations. 
D)  User-defined events are populated with objects that hold data, have properties, respond to methods, and raise events.

Question 3

Which of the following best defines the term hierarchy?

Accepted Answer

A)  the process by which the properties, methods, and events of one class are passed onto another class 
B)  the collection of a parent class along with its descendants 
C)  when a member variable of class A makes use of an object of type class B 
D)  when one class manipulates or changes objects of another class 
A)  the process by which the properties, methods, and events of one class are passed onto another class 
B)  the collection of a parent class along with its descendants 
C)  when a member variable of class A makes use of an object of type class B 
D)  when one class manipulates or changes objects of another class

Question 4

Which statement form below assigns the value of a property to a variable?

Accepted Answer

A)  objectName.propertyName = value 
B)  varName = objectName.propertyName 
C)  objectName.methodName(arg1, ...) 
D)  RaiseEvent eventName 
A)  objectName.propertyName = value 
B)  varName = objectName.propertyName 
C)  objectName.methodName(arg1, ...) 
D)  RaiseEvent eventName

Question 5

The class interface is a set of properties, methods, and events that define how the class should behave.

Accepted Answer

A) True 
 B)False

Question 6

The statement for raising a user-defined event is located in the form's code and the event is dealt with in the class block of code.

Accepted Answer

A) True 
 B)False

Question 7

An object can be created in the Declaration section of a form's Code editor with a pair of statements of the form.

Accepted Answer

A) True 
 B)False

Question 8

Statements of which of the following kind should be placed in the form's code to declare an instance of a class that contains an event?

Accepted Answer

A)  Public Event UserDefinedEvent(par1 As dataType1, par2 As dataType2, ...) 
B)  RaiseEvent UserDefinedEvent(arg1, arg2, ...) 
C)  Dim WithEvents object1 As ClassName 
D)  Private Sub object1_UserDefinedEvent(par1, par2, ...) _ Handles object1.UserDefinedEvent 
A)  Public Event UserDefinedEvent(par1 As dataType1, par2 As dataType2, ...) 
B)  RaiseEvent UserDefinedEvent(arg1, arg2, ...) 
C)  Dim WithEvents object1 As ClassName 
D)  Private Sub object1_UserDefinedEvent(par1, par2, ...) _ Handles object1.UserDefinedEvent

Question 9

The ISA test is one guideline used in determining when and how to establish a hierarchy. It posits that if one class is a more specific case of another class, then it should be derived from that other class.

Accepted Answer

A) True 
 B)False

Question 10

Which procedure will set default values for member variables when an object is instantiated?

Accepted Answer

A)  Form1_Load 
B)  Get property procedure 
C)  New 
D)  Set property procedure 
A)  Form1_Load 
B)  Get property procedure 
C)  New 
D)  Set property procedure

Question 11

The ___________ feature of Visual Basic allows certain types of property blocks to the written with neither a Get or a Set block?

Accepted Answer

A)  default properties 
B)  self-implemented properties 
C)  auto-implemented properties 
D)  self-explanatory properties 
A)  default properties 
B)  self-implemented properties 
C)  auto-implemented properties 
D)  self-explanatory properties

Question 12

Code objects are specific instances of a user-defined type, called a class.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is a benefit of inheritance?

Accepted Answer

A)  Inheritance leads to the duplication of code in multiple classes. 
B)  Inheritance allows two or more classes to share some common features yet differentiate themselves on others. 
C)  Inheritance allows variables to be collected in arrays. 
D)  Inheritance allows Visual Basic programs to directly connect to databases. 
A)  Inheritance leads to the duplication of code in multiple classes. 
B)  Inheritance allows two or more classes to share some common features yet differentiate themselves on others. 
C)  Inheritance allows variables to be collected in arrays. 
D)  Inheritance allows Visual Basic programs to directly connect to databases.

Question 14

It can be said that class Student contains class College when a member variable of class Student makes use of an object of type class College.

Accepted Answer

A) True 
 B)False

Question 15

Each list box is said to be an instance of the class ListBox.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is an accurate definition of the term object-oriented program?

Accepted Answer

A)  An object-oriented program is a specific instance of a user-defined type. 
B)  An object-oriented program is an encapsulation of data and procedures that has properties and responds to methods. 
C)  An object-oriented program is populated with objects that hold data, have properties, respond to methods, and raise events. 
D)  An object-oriented program is a template from which objects are created. 
A)  An object-oriented program is a specific instance of a user-defined type. 
B)  An object-oriented program is an encapsulation of data and procedures that has properties and responds to methods. 
C)  An object-oriented program is populated with objects that hold data, have properties, respond to methods, and raise events. 
D)  An object-oriented program is a template from which objects are created.

Question 17

Which line of code will declare and create an instance of a new object variable called instructor using a class called Faculty?

Accepted Answer

A)  Dim Faculty As instructor 
B)  Dim instructor As Faculty 
C)  Dim Faculty As New instructor 
D)  Dim instructor As New Faculty 
A)  Dim Faculty As instructor 
B)  Dim instructor As Faculty 
C)  Dim Faculty As New instructor 
D)  Dim instructor As New Faculty

Question 18

Control objects and code objects share many things in common. Which of the following statements applies only to control objects (in other words, which of the following statements does not apply to code objects)?

Accepted Answer

A)  these objects have properties 
B)  these objects are predefined and have physical manifestations 
C)  these objects respond to methods 
D)  these objects are an encapsulation of data and procedures that act on the data 
A)  these objects have properties 
B)  these objects are predefined and have physical manifestations 
C)  these objects respond to methods 
D)  these objects are an encapsulation of data and procedures that act on the data

Question 19

Member or instance variables should not be accessed directly; instead, these variables are accessed indirectly through the use of a property block of code.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following best defines the term inheritance?

Accepted Answer

A)  the process by which the properties, methods, and events of one class are passed onto another class 
B)  the collection of a parent class along with its descendants 
C)  when a member variable of class A makes use of an object of type class B 
D)  when one class manipulates or changes objects of another class 
A)  the process by which the properties, methods, and events of one class are passed onto another class 
B)  the collection of a parent class along with its descendants 
C)  when a member variable of class A makes use of an object of type class B 
D)  when one class manipulates or changes objects of another class

Which one of the following statements does NOT accurately describe object-oriented programs?

Which of the following statements best applies to the term user-defined events?

Which of the following best defines the term hierarchy?

Which statement form below assigns the value of a property to a variable?

The class interface is a set of properties, methods, and events that define how the class should behave.

The statement for raising a user-defined event is located in the form's code and the event is dealt with in the class block of code.

An object can be created in the Declaration section of a form's Code editor with a pair of statements of the form.

Statements of which of the following kind should be placed in the form's code to declare an instance of a class that contains an event?

The ISA test is one guideline used in determining when and how to establish a hierarchy. It posits that if one class is a more specific case of another class, then it should be derived from that other class.

Which procedure will set default values for member variables when an object is instantiated?

The ___________ feature of Visual Basic allows certain types of property blocks to the written with neither a Get or a Set block?

Code objects are specific instances of a user-defined type, called a class.

Which of the following is a benefit of inheritance?

It can be said that class Student contains class College when a member variable of class Student makes use of an object of type class College.

Each list box is said to be an instance of the class ListBox.

Which of the following is an accurate definition of the term object-oriented program?

Which line of code will declare and create an instance of a new object variable called instructor using a class called Faculty?

Control objects and code objects share many things in common. Which of the following statements applies only to control objects (in other words, which of the following statements does not apply to code objects)?

Member or instance variables should not be accessed directly; instead, these variables are accessed indirectly through the use of a property block of code.

Which of the following best defines the term inheritance?

An Introduction to Computers and Problem Solving

Visual Basic, Controls, and Events

Variables, Input, and Output

Decisions

General Procedures

Repetition

Arrays

Text Files

Additional Controls and Objects

Databases

Filters

Exam 11: Object-Oriented Programming

Which one of the following statements does NOT accurately describe object-oriented programs?

Which of the following statements best applies to the term user-defined events?

Which of the following best defines the term hierarchy?

Which statement form below assigns the value of a property to a variable?

The class interface is a set of properties, methods, and events that define how the class should behave.

The statement for raising a user-defined event is located in the form's code and the event is dealt with in the class block of code.

An object can be created in the Declaration section of a form's Code editor with a pair of statements of the form.

Statements of which of the following kind should be placed in the form's code to declare an instance of a class that contains an event?

The ISA test is one guideline used in determining when and how to establish a hierarchy. It posits that if one class is a more specific case of another class, then it should be derived from that other class.

Which procedure will set default values for member variables when an object is instantiated?

The ___________ feature of Visual Basic allows certain types of property blocks to the written with neither a Get or a Set block?

Code objects are specific instances of a user-defined type, called a class.

Which of the following is a benefit of inheritance?

It can be said that class Student contains class College when a member variable of class Student makes use of an object of type class College.

Each list box is said to be an instance of the class ListBox.

Which of the following is an accurate definition of the term object-oriented program?

Which line of code will declare and create an instance of a new object variable called instructor using a class called Faculty?

Control objects and code objects share many things in common. Which of the following statements applies only to control objects (in other words, which of the following statements does not apply to code objects)?

Member or instance variables should not be accessed directly; instead, these variables are accessed indirectly through the use of a property block of code.

Which of the following best defines the term inheritance?

An Introduction to Computers and Problem Solving

Visual Basic, Controls, and Events

Variables, Input, and Output

Decisions

General Procedures

Repetition

Arrays

Text Files

Additional Controls and Objects

Databases

Filters