Question 1

A member function of a derived class may not have the same name as a member function of a base class.

Accepted Answer

A) True 
 B)False  False

Question 2

When you derive a class from an existing class, you _________ add new data and functions.

Accepted Answer

A)  may never 
B)  may sometimes 
C)  may 
D)  None of these 
A)  may never 
B)  may sometimes 
C)  may 
D)  None of these C

Question 3

A derived class may not have any classes derived from it.

Accepted Answer

A) True 
 B)False  False

Question 4

The base class access specification can be viewed as a filter that base class members must pass through when becoming inherited members of a derived class.

Accepted Answer

A) True 
 B)False

Question 5

A virtual function is a member function that expects to be _________ in a derived class.

Accepted Answer

A)  ignored 
B)  called frequently 
C)  overridden 
D)  private 
E)  None of these 
A)  ignored 
B)  called frequently 
C)  overridden 
D)  private 
E)  None of these

Question 6

When more than one class is derived from a base class, the situation is called:

Accepted Answer

A)  polymorphism 
B)  population 
C)  multiplicity 
D)  encapsulation 
E)  None of these 
A)  polymorphism 
B)  population 
C)  multiplicity 
D)  encapsulation 
E)  None of these

Question 7

A derived class may become a base class, if another class is derived from it.

Accepted Answer

A) True 
 B)False

Question 8

Polymorphism is when ____________ in a class hierarchy perform differently, depending upon which object performs the call.

Accepted Answer

A)  base class constructors 
B)  derived class destructors 
C)  member functions 
D)  derived class constructors 
E)  None of these 
A)  base class constructors 
B)  derived class destructors 
C)  member functions 
D)  derived class constructors 
E)  None of these

Question 9

The base class's __________ affects the way its members are inherited by the derived class.

Accepted Answer

A)  name 
B)  return data type 
C)  access specification 
D)  a and b 
E)  None of these 
A)  name 
B)  return data type 
C)  access specification 
D)  a and b 
E)  None of these

Question 10

The term __________ means the ability to take many forms.

Accepted Answer

A)  inheritance 
B)  polymorphism 
C)  member function 
D)  encapsulation 
E)  None of these 
A)  inheritance 
B)  polymorphism 
C)  member function 
D)  encapsulation 
E)  None of these

Question 11

____________ is commonly used to extend a class, or to give it additional capabilities.

Accepted Answer

A)  Inheritance 
B)  Privacy 
C)  The constructor 
D)  The destructor 
E)  None of these 
A)  Inheritance 
B)  Privacy 
C)  The constructor 
D)  The destructor 
E)  None of these

Question 12

The base class access specification determines how ___________ members in the base class may be accessed by derived classes.

Accepted Answer

A)  private 
B)  public 
C)  protected 
D)  a, b, and c 
E)  None of these 
A)  private 
B)  public 
C)  protected 
D)  a, b, and c 
E)  None of these

Question 13

A __________ of a base class expects to be overridden in a derived class.

Accepted Answer

A)  constructor function 
B)  destructor function 
C)  static function 
D)  virtual function 
E)  None of these 
A)  constructor function 
B)  destructor function 
C)  static function 
D)  virtual function 
E)  None of these

Question 14

Arguments are passed to the base class destructor function by the ________ class __________ function.

Accepted Answer

A)  derived, constructor 
B)  derived, destructor 
C)  base, constructor 
D)  base, destructor 
E)  None of these 
A)  derived, constructor 
B)  derived, destructor 
C)  base, constructor 
D)  base, destructor 
E)  None of these

Question 15

_________ members of a base class are never accessible to a derived class.

Accepted Answer

A)  Public 
B)  Private 
C)  Protected 
D)  a, b, and c 
E)  None of these 
A)  Public 
B)  Private 
C)  Protected 
D)  a, b, and c 
E)  None of these

Question 16

When arguments must be passed to the base class constructor, they are passed from the derived class constructor's header line.

Accepted Answer

A) True 
 B)False

Question 17

The compiler performs __________ on virtual functions.

Accepted Answer

A)  static binding 
B)  dynamic binding 
C)  additional error checking 
D)  no special services 
E)  None of these 
A)  static binding 
B)  dynamic binding 
C)  additional error checking 
D)  no special services 
E)  None of these

Question 18

When member functions behave differently, depending upon which object performed the call, this is an example of ___________.

Accepted Answer

A)  chaos theory 
B)  virtual insubordination 
C)  polymorphism 
D)  encapsulation 
E)  None of these 
A)  chaos theory 
B)  virtual insubordination 
C)  polymorphism 
D)  encapsulation 
E)  None of these

Question 19

__________ functions are dynamically bound by the compiler.

Accepted Answer

A)  Constructor 
B)  Destructor 
C)  Static 
D)  Virtual 
E)  None of these 
A)  Constructor 
B)  Destructor 
C)  Static 
D)  Virtual 
E)  None of these

Question 20

_________ allows us to create new classes based on existing classes.

Accepted Answer

A)  Polymorphism 
B)  Inheritance 
C)  Function overloading 
D)  The copy constructor 
E)  None of these 
A)  Polymorphism 
B)  Inheritance 
C)  Function overloading 
D)  The copy constructor 
E)  None of these

A member function of a derived class may not have the same name as a member function of a base class.

When you derive a class from an existing class, you _________ add new data and functions.

A derived class may not have any classes derived from it.

The base class access specification can be viewed as a filter that base class members must pass through when becoming inherited members of a derived class.

A virtual function is a member function that expects to be _________ in a derived class.

When more than one class is derived from a base class, the situation is called:

A derived class may become a base class, if another class is derived from it.

Polymorphism is when ____________ in a class hierarchy perform differently, depending upon which object performs the call.

The base class's __________ affects the way its members are inherited by the derived class.

The term __________ means the ability to take many forms.

____________ is commonly used to extend a class, or to give it additional capabilities.

The base class access specification determines how ___________ members in the base class may be accessed by derived classes.

A __________ of a base class expects to be overridden in a derived class.

Arguments are passed to the base class destructor function by the class __ function.

_________ members of a base class are never accessible to a derived class.

When arguments must be passed to the base class constructor, they are passed from the derived class constructor's header line.

The compiler performs __________ on virtual functions.

When member functions behave differently, depending upon which object performed the call, this is an example of ___________.

__________ functions are dynamically bound by the compiler.

_________ allows us to create new classes based on existing classes.

Introduction to Computers and Programming

Introduction to C++

Expressions and Interactivity

Making Decisions

Loops and Files

Functions

Arrays

Searching and Sorting Arrays

Characters, C++-Strings, and More About the String Class

Structured Data

Structured Data

Advanced File Operations

Introduction to Classes

More About Classes

Exceptions, Templates, and the Standard Template Library STL

Linked Lists

Stacks and Queues

Recursion

Binary Trees

Filters

Exam 15: Inheritance, Polymorphism, and Virtual Functions

A member function of a derived class may not have the same name as a member function of a base class.

When you derive a class from an existing class, you _________ add new data and functions.

A derived class may not have any classes derived from it.

The base class access specification can be viewed as a filter that base class members must pass through when becoming inherited members of a derived class.

A virtual function is a member function that expects to be _________ in a derived class.

When more than one class is derived from a base class, the situation is called:

A derived class may become a base class, if another class is derived from it.

Polymorphism is when ____________ in a class hierarchy perform differently, depending upon which object performs the call.

The base class's __________ affects the way its members are inherited by the derived class.

The term __________ means the ability to take many forms.

____________ is commonly used to extend a class, or to give it additional capabilities.

The base class access specification determines how ___________ members in the base class may be accessed by derived classes.

A __________ of a base class expects to be overridden in a derived class.

Arguments are passed to the base class destructor function by the ________ class __________ function.

_________ members of a base class are never accessible to a derived class.

When arguments must be passed to the base class constructor, they are passed from the derived class constructor's header line.

The compiler performs __________ on virtual functions.

When member functions behave differently, depending upon which object performed the call, this is an example of ___________.

__________ functions are dynamically bound by the compiler.

_________ allows us to create new classes based on existing classes.

Introduction to Computers and Programming

Introduction to C++

Expressions and Interactivity

Making Decisions

Loops and Files

Functions

Arrays

Searching and Sorting Arrays

Characters, C++-Strings, and More About the String Class

Structured Data

Structured Data

Advanced File Operations

Introduction to Classes

More About Classes

Exceptions, Templates, and the Standard Template Library STL

Linked Lists

Stacks and Queues

Recursion

Binary Trees

Filters

Arguments are passed to the base class destructor function by the class __ function.