Question 1

What is the value of x after the following statements execute? int x = 25;
Int *p;
P = &x;
*p = 46;

Accepted Answer

A)  NULL 
B)  0 
C)  25 
D)  46 
A)  NULL 
B)  0 
C)  25 
D)  46

Question 2

What is the output of the following code? 
int *p;
int x;
x = 76;
p = &x;
*p = 43;
cout << x << "," << *p << endl;

Accepted Answer

A)  76, 76 
B)  76, 43 
C)  43, 76 
D)  43, 43 
A)  76, 76 
B)  76, 43 
C)  43, 76 
D)  43, 43

Question 3

A list is a collection of elements of the same type.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following arithmetic operations is allowed on pointer variables?

Accepted Answer

A)  increment 
B)  modulus 
C)  multiplication 
D)  division 
A)  increment 
B)  modulus 
C)  multiplication 
D)  division

Question 5

An array created during the execution of a program is called a(n)____ array.

Accepted Answer

A)  list 
B)  static 
C)  execution 
D)  dynamic 
A)  list 
B)  static 
C)  execution 
D)  dynamic

Question 6

Variables that are created during program execution are called static variables.

Accepted Answer

A) True 
 B)False

Question 7

The C++ operator ____ is used to destroy dynamic variables.

Accepted Answer

A)  destroy 
B)  delete 
C)  * 
D)  ~ 
A)  destroy 
B)  delete 
C)  * 
D)  ~

Question 8

Consider the following statement: ptrMemberVarType objectThree(objectOne);
The values of the member variables of objectOne are being copied into the corresponding member variables of objectThree.This initialization is called the ____.

Accepted Answer

A)  member-wise assignment 
B)  default assignment 
C)  member-wise initialization 
D)  default initialization 
A)  member-wise assignment 
B)  default assignment 
C)  member-wise initialization 
D)  default initialization

Question 9

The statement int *p; is equivalent to int * p;,which is also equivalent to the statement ____________________.

Accepted Answer

The answer of The statement int *p; is equivalent to...

Question 10

An object of the base class type cannot be passed to a(n)____________________ parameter of the derived class type.

Accepted Answer

The answer of An object of the base class type...

Question 11

The copy constructor automatically executes when,as a parameter,an object is passed by ____________________.

Accepted Answer

The answer of The copy constructor automatically executes when,as a...

Question 12

Given the statement double *p;,the statement p++; will increment the value of p by ____ byte(s).

Accepted Answer

A)  one 
B)  two 
C)  four 
D)  eight 
A)  one 
B)  two 
C)  four 
D)  eight

Question 13

A(n)____ is a collection of distinct elements of the same type.

Accepted Answer

A)  class 
B)  ordered set 
C)  pointer 
D)  list 
A)  class 
B)  ordered set 
C)  pointer 
D)  list

Question 14

The statement that declares board to be a pointer to a pointer is: int ____________________;

Accepted Answer

The answer of The statement that declares board to be...

Question 15

For classes with pointer member variables,you should include the copy constructor and the ____________________ in the class.

Accepted Answer

The answer of For classes with pointer member variables,you should...

Question 16

Given the declaration int *a;,the statement a = new int[50]; dynamically allocates an array of 50 components of the type ____.

Accepted Answer

A)  int 
B)  int* 
C)  pointer 
D)  address 
A)  int 
B)  int* 
C)  pointer 
D)  address

Question 17

Consider the following declaration of a struct:
struct studentType
{
char name[26];
double gpa;
int sID;
char grade;
};
studentType student;
studentType *studentPtr;
The statement (*studentPtr).gpa = 2.5; is equivalent to ____________________ = 2.5;.

Accepted Answer

The answer of Consider the following declaration of a struct:
struct...

Question 18

In C++,pointer variables are declared using the reserved word pointer.

Accepted Answer

A) True 
 B)False

Question 19

Run-time binding is also known as ____ binding.

Accepted Answer

A)  static 
B)  shallow 
C)  dynamic 
D)  deep 
A)  static 
B)  shallow 
C)  dynamic 
D)  deep

Question 20

Which of the following would be appropriate syntax for the heading of a copy constructor for a class called rulerType?

Accepted Answer

A)  rulerType(int inches, int centimeters) 
B)  rulerType() 
C)  rulerType(const rulerType& myRuler) 
D)  copy rulerType(int inches, int centimeters) 
A)  rulerType(int inches, int centimeters) 
B)  rulerType() 
C)  rulerType(const rulerType& myRuler) 
D)  copy rulerType(int inches, int centimeters)

Exam 12: Pointers, Classes, Virtual Functions, Abstract Classes, and Lists

What is the value of x after the following statements execute? int x = 25; Int *p; P = &x; *p = 46;

What is the output of the following code? int *p; int x; x = 76; p = &x; *p = 43; cout << x << "," << *p << endl;

A list is a collection of elements of the same type.

Which of the following arithmetic operations is allowed on pointer variables?

An array created during the execution of a program is called a(n)____ array.

Variables that are created during program execution are called static variables.

The C++ operator ____ is used to destroy dynamic variables.

Consider the following statement: ptrMemberVarType objectThree(objectOne); The values of the member variables of objectOne are being copied into the corresponding member variables of objectThree.This initialization is called the ____.

The statement int *p; is equivalent to int * p;,which is also equivalent to the statement ____________________.

An object of the base class type cannot be passed to a(n)____________________ parameter of the derived class type.

The copy constructor automatically executes when,as a parameter,an object is passed by ____________________.

Given the statement double *p;,the statement p++; will increment the value of p by ____ byte(s).

A(n)____ is a collection of distinct elements of the same type.

The statement that declares board to be a pointer to a pointer is: int ____________________;

For classes with pointer member variables,you should include the copy constructor and the ____________________ in the class.

Given the declaration int *a;,the statement a = new int[50]; dynamically allocates an array of 50 components of the type ____.

Consider the following declaration of a struct: struct studentType { char name[26]; double gpa; int sID; char grade; }; studentType student; studentType *studentPtr; The statement (*studentPtr).gpa = 2.5; is equivalent to ____________________ = 2.5;.

In C++,pointer variables are declared using the reserved word pointer.

Run-time binding is also known as ____ binding.

Which of the following would be appropriate syntax for the heading of a copy constructor for a class called rulerType?

An Overview of Computers and Programming Languages

Basic Elements of C++

Input/Output

Control Structures I (Selection)

Control Structures II (Repetition)

User-Defined Functions

User-Defined Simple Data Types, Namespaces, and the string Type

Arrays and Strings

Records (structs)

Classes and Data Abstraction

Inheritance and Composition

Overloading and Templates

Exception Handling

Recursion

Linked Lists

Stacks and Queues

Searching and Sorting Algorithms

Binary Trees

Graphs

Standard Template Library (STL)

Filters

What is the value of x after the following statements execute? int x = 25; Int p; P = &x; p = 46;

What is the output of the following code? int p; int x; x = 76; p = &x; p = 43; cout << x << "," << *p << endl;

The statement int p; is equivalent to int p;,which is also equivalent to the statement ____________________.

Consider the following declaration of a struct: struct studentType { char name[26]; double gpa; int sID; char grade; }; studentType student; studentType studentPtr; The statement (studentPtr).gpa = 2.5; is equivalent to ____________________ = 2.5;.