Question 1

A function that prints a string by using pointer arithmetic such as ++ptr to output each character should have a parameter that is:

Accepted Answer

A)  A nonconstant pointer to nonconstant data. 
B)  A nonconstant pointer to constant data. 
C)  A constant pointer to nonconstant data. 
D)  A constant pointer to constant data. 
A)  A nonconstant pointer to nonconstant data. 
B)  A nonconstant pointer to constant data. 
C)  A constant pointer to nonconstant data. 
D)  A constant pointer to constant data.

Question 2

Three of the following expressions have the same value. Which of the following expressions has a value different from the others'?

Accepted Answer

A)  *&ptr 
B)  &*ptr 
C)  *ptr 
D)  ptr 
A)  *&ptr 
B)  &*ptr 
C)  *ptr 
D)  ptr

Question 3

Which statement would be used to declare a 10-element integer array c?

Accepted Answer

A)  array c = int[10]; 
B)  c = int[10]; 
C)  int array c[10]; 
D)  int c[10]; 
A)  array c = int[10]; 
B)  c = int[10]; 
C)  int array c[10]; 
D)  int c[10];

Question 4

Pointers cannot be used to:

Accepted Answer

A)  Contain memory addresses. 
B)  Reference values directly. 
C)  Pass an argument by reference. 
D)  Manipulate dynamic data structures. 
A)  Contain memory addresses. 
B)  Reference values directly. 
C)  Pass an argument by reference. 
D)  Manipulate dynamic data structures.

Question 5

To prevent modification of a built-in array's values when you pass the built-in array to a function:

Accepted Answer

A)  The built-in array must be declared static in the function. 
B)  The built-in array parameter can be preceded by the const qualifier. 
C)  A copy of the built-in array must be made inside the function. 
D)  The built-in array must be passed by reference. 
A)  The built-in array must be declared static in the function. 
B)  The built-in array parameter can be preceded by the const qualifier. 
C)  A copy of the built-in array must be made inside the function. 
D)  The built-in array must be passed by reference.

Question 6

A string array is commonly used for:

Accepted Answer

A)  Command-line arguments. 
B)  Storing an extremely long string. 
C)  Storing multiple copies of the same string. 
D)  Displaying floating-point numbers to the screen. 
A)  Command-line arguments. 
B)  Storing an extremely long string. 
C)  Storing multiple copies of the same string. 
D)  Displaying floating-point numbers to the screen.

Question 7

Which of the following is not a valid way to pass arguments to a function in C++?

Accepted Answer

A)  By reference with reference arguments. 
B)  By value. 
C)  By reference with pointer arguments. 
D)  By value with pointer arguments. 
A)  By reference with reference arguments. 
B)  By value. 
C)  By reference with pointer arguments. 
D)  By value with pointer arguments.

Question 8

Which of the following is not true of pointers to functions?

Accepted Answer

A)  They contain the starting address of the function code. 
B)  They are dereferenced in order to call the function. 
C)  They can be stored in arrays. 
D)  They can not be assigned to other function pointers. 
A)  They contain the starting address of the function code. 
B)  They are dereferenced in order to call the function. 
C)  They can be stored in arrays. 
D)  They can not be assigned to other function pointers.

Question 9

When a compiler encounters a function parameter for a single-subscripted array of the form int a[], it converts the parameter to:

Accepted Answer

A)  int a 
B)  int &a 
C)  int *a 
D)  No conversion is necessary. 
A)  int a 
B)  int &a 
C)  int *a 
D)  No conversion is necessary.

Question 10

What method should be used to pass an array to a function that does not modify the array and only looks at it using array subscript notation:

Accepted Answer

A)  A nonconstant pointer to nonconstant data. 
B)  A nonconstant pointer to constant data. 
C)  A constant pointer to nonconstant data. 
D)  A constant pointer to constant data. 
A)  A nonconstant pointer to nonconstant data. 
B)  A nonconstant pointer to constant data. 
C)  A constant pointer to nonconstant data. 
D)  A constant pointer to constant data.

Question 11

What does the following statement declare? int *countPtr, count;

Accepted Answer

A)  Two int variables. 
B)  One pointer to an int and one int variable. 
C)  Two pointers to ints. 
D)  The declaration is invalid. 
A)  Two int variables. 
B)  One pointer to an int and one int variable. 
C)  Two pointers to ints. 
D)  The declaration is invalid.

Question 12

Sizeof:

Accepted Answer

A)  Is a binary operator. 
B)  Returns the total number of elements in an array. 
C)  Usually returns a double. 
D)  Returns the total number of bytes in a variable. 
A)  Is a binary operator. 
B)  Returns the total number of elements in an array. 
C)  Usually returns a double. 
D)  Returns the total number of bytes in a variable.

A function that prints a string by using pointer arithmetic such as ++ptr to output each character should have a parameter that is:

Three of the following expressions have the same value. Which of the following expressions has a value different from the others'?

Which statement would be used to declare a 10-element integer array c?

Pointers cannot be used to:

To prevent modification of a built-in array's values when you pass the built-in array to a function:

A string array is commonly used for:

Which of the following is not a valid way to pass arguments to a function in C++?

Which of the following is not true of pointers to functions?

When a compiler encounters a function parameter for a single-subscripted array of the form int a[], it converts the parameter to:

What method should be used to pass an array to a function that does not modify the array and only looks at it using array subscript notation:

What does the following statement declare? int *countPtr, count;

Sizeof:

Introduction to Computers and C++

Introduction to C Programming; Inputoutput and Operators

Introduction to Classes, Objects and Strings

Control Statements, Assignment, and Operators

Control Statements, Logical Operators

Functions and an Introduction to Recursion

Class Templates Array and Vector; Catching Exceptions

Classes: a Deeper Look; Throwing Exceptions

Operator Overloading; String and Array Objects

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Stream Inputoutput: a Deeper Look

File Processing

Standard Library Containers and Iterators

Standard Library Algorithms

Exception Handling: a Deeper Look

Introduction to Custom Templates

Custom Templatized Data Structures

Searching and Sorting

Class String and String Stream Processing

Bits, Characters, C Strings and Structs

Other Topics

C++11 Additional Features

Filters

Exam 8: Pointers and Pointer-Based Strings

A function that prints a string by using pointer arithmetic such as ++ptr to output each character should have a parameter that is:

Three of the following expressions have the same value. Which of the following expressions has a value different from the others'?

Which statement would be used to declare a 10-element integer array c?

Pointers cannot be used to:

To prevent modification of a built-in array's values when you pass the built-in array to a function:

A string array is commonly used for:

Which of the following is not a valid way to pass arguments to a function in C++?

Which of the following is not true of pointers to functions?

When a compiler encounters a function parameter for a single-subscripted array of the form int a[], it converts the parameter to:

What method should be used to pass an array to a function that does not modify the array and only looks at it using array subscript notation:

What does the following statement declare? int *countPtr, count;

Sizeof:

Introduction to Computers and C++

Introduction to C Programming; Inputoutput and Operators

Introduction to Classes, Objects and Strings

Control Statements, Assignment, and Operators

Control Statements, Logical Operators

Functions and an Introduction to Recursion

Class Templates Array and Vector; Catching Exceptions

Classes: a Deeper Look; Throwing Exceptions

Operator Overloading; String and Array Objects

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Stream Inputoutput: a Deeper Look

File Processing

Standard Library Containers and Iterators

Standard Library Algorithms

Exception Handling: a Deeper Look

Introduction to Custom Templates

Custom Templatized Data Structures

Searching and Sorting

Class String and String Stream Processing

Bits, Characters, C Strings and Structs

Other Topics

C++11 Additional Features

Filters