Question 1

Dynamic variables are created at __________

Accepted Answer

The answer of Dynamic variables are created at __________...

Question 2

Which of the following correctly declare 3 integer pointers?

Accepted Answer

A)  int* p1, p2, p3; 
B)  int *p1, p2, p3; 
C)  int *p1, *p2, *p3; 
D)  all of the above. 
A)  int* p1, p2, p3; 
B)  int *p1, p2, p3; 
C)  int *p1, *p2, *p3; 
D)  all of the above.

Question 3

Which of the following statements correctly returns the memory from the dynamic array pointer to by p1 to the freestore?

Accepted Answer

A)  delete [] p1; 
B)  delete p1[]; 
C)  delete *p1; 
D)  delete p1; 
A)  delete [] p1; 
B)  delete p1[]; 
C)  delete *p1; 
D)  delete p1;

Question 4

If p1 is an integer pointer variable, with the value of 1000, p1++ changes P1 to point to the memory location 1001.

Accepted Answer

A) True 
 B)False

Question 5

A ___________ is the memory address of a variable.

Accepted Answer

The answer of A ___________ is the memory address of...

Question 6

Write the code that assigns to p1 an integer pointer variable) the pointer to a dynamically created integer.

Accepted Answer

The answer of Write the code that assigns to p1...

Question 7

You can assign an array to a pointer variable.

Accepted Answer

A) True 
 B)False

Question 8

A pointer can be stored in an integer variable.

Accepted Answer

A) True 
 B)False

Question 9

If p1 and p2 are both pointers that point to integers in memory, the condition p1==p2 will be true if the values that are in those memory locations are the same.

Accepted Answer

A) True 
 B)False

Question 10

In the statement cout << *p1;, the * is called the ________________

Accepted Answer

dereferenc

Question 11

Given that p1 is a pointer, p1++

Accepted Answer

A)  always causes a run time error 
B)  advances p1 by one unit of the type of variable to which p1 points 
C)  adds 1 to whatever p1 is pointing to 
D)  adds one element to the array that p1 is pointing to 
A)  always causes a run time error 
B)  advances p1 by one unit of the type of variable to which p1 points 
C)  adds 1 to whatever p1 is pointing to 
D)  adds one element to the array that p1 is pointing to

Question 12

Given that p1 is an integer pointer variable, and a1 is an integer array, which of the following statements are not legal code?

Accepted Answer

A)  p1= a1; 
B)  cout > p1[0]; 
D)  a1 = p1; 
A)  p1= a1; 
B)  cout > p1[0]; 
D)  a1 = p1;

Question 13

The & operator is called the _______________

Accepted Answer

The answer of The & operator is called the _______________...

Question 14

What is wrong with the following code fragment?
Int *p1, *p2;
P1 = new int;
P2 = new int;
*p1=11;
*p2=0;
P2=p1;
Cout << *p1 <<" " << *p2 << endl;
Delete p1;
Delete p2;

Accepted Answer

A)  nothing 
B)  p1 and p2 both have the same value, so the delete p2 will cause an error 
C)  You have a memory leak. 
D)  B and C 
A)  nothing 
B)  p1 and p2 both have the same value, so the delete p2 will cause an error 
C)  You have a memory leak. 
D)  B and C

Question 15

What is the output of the following code fragment?
Int v1=2, v2=-1, *p1, *p2;
P1 = & v1;
P2= & v2;
P2=p1;
Cout << *p2 << endl;

Accepted Answer

A)  2 
B)  -1 
C)  -2 
D)  1 
A)  2 
B)  -1 
C)  -2 
D)  1

Question 16

int *p1; declares a static variable.

Accepted Answer

A) True 
 B)False

Question 17

Dynamic variables are created from the ___________.

Accepted Answer

The answer of Dynamic variables are created from the ___________....

Question 18

If two pointer variables point to the same memory location, what happens when one of the pointers is freed?

Accepted Answer

A)  The other pointer should be considered to be un-initialized 
B)  The other pointer still points to a valid memory address 
C)  If you attempt to free the other pointer a run-time error will occur. 
D)  All of the above 
E)  A and C 
A)  The other pointer should be considered to be un-initialized 
B)  The other pointer still points to a valid memory address 
C)  If you attempt to free the other pointer a run-time error will occur. 
D)  All of the above 
E)  A and C

Question 19

Which of the following correctly declares a dynamic array of strings?

Accepted Answer

A)  p1 = new string13); 
B)  p1 = new string[]; 
C)  p1 = new string[13]; 
D)  p1 = new stringArray13); 
A)  p1 = new string13); 
B)  p1 = new string[]; 
C)  p1 = new string[13]; 
D)  p1 = new stringArray13);

Dynamic variables are created at __________

Which of the following correctly declare 3 integer pointers?

Which of the following statements correctly returns the memory from the dynamic array pointer to by p1 to the freestore?

If p1 is an integer pointer variable, with the value of 1000, p1++ changes P1 to point to the memory location 1001.

A ___________ is the memory address of a variable.

Write the code that assigns to p1 an integer pointer variable) the pointer to a dynamically created integer.

You can assign an array to a pointer variable.

A pointer can be stored in an integer variable.

If p1 and p2 are both pointers that point to integers in memory, the condition p1==p2 will be true if the values that are in those memory locations are the same.

In the statement cout << p1;, the is called the ________________

Given that p1 is a pointer, p1++

Given that p1 is an integer pointer variable, and a1 is an integer array, which of the following statements are not legal code?

The & operator is called the _______________

What is wrong with the following code fragment? Int p1, p2; P1 = new int; P2 = new int; p1=11; p2=0; P2=p1; Cout << p1 <<" " << p2 << endl; Delete p1; Delete p2;

What is the output of the following code fragment? Int v1=2, v2=-1, p1, p2; P1 = & v1; P2= & v2; P2=p1; Cout << *p2 << endl;

int *p1; declares a static variable.

Dynamic variables are created from the ___________.

If two pointer variables point to the same memory location, what happens when one of the pointers is freed?

Which of the following correctly declares a dynamic array of strings?

Introduction to Computer and C++ Programming

C++ Basics

More Flow of Control

Procedural Abstraction and Functions That Return a Value

Functions for All Sub Tasks

Io Streams As an Introduction to Objects and Classes

Arrays

Strings and Vectors

Defining Classes

Friends, Overloaded Operators, and Arrays in Classes

Separate Compilation and Namespaces

Pointers and Linked Lists

Recursion

Inheritance

Exception Handling

Templates

Standard Template Library

Filters

Exam 9: Pointers and Dynamic Arrays

Dynamic variables are created at __________

Which of the following correctly declare 3 integer pointers?

Which of the following statements correctly returns the memory from the dynamic array pointer to by p1 to the freestore?

If p1 is an integer pointer variable, with the value of 1000, p1++ changes P1 to point to the memory location 1001.

A ___________ is the memory address of a variable.

Write the code that assigns to p1 an integer pointer variable) the pointer to a dynamically created integer.

You can assign an array to a pointer variable.

A pointer can be stored in an integer variable.

If p1 and p2 are both pointers that point to integers in memory, the condition p1==p2 will be true if the values that are in those memory locations are the same.

In the statement cout << *p1;, the * is called the ________________

Given that p1 is a pointer, p1++

Given that p1 is an integer pointer variable, and a1 is an integer array, which of the following statements are not legal code?

The & operator is called the _______________

What is wrong with the following code fragment? Int *p1, *p2; P1 = new int; P2 = new int; *p1=11; *p2=0; P2=p1; Cout << *p1 <<" " << *p2 << endl; Delete p1; Delete p2;

What is the output of the following code fragment? Int v1=2, v2=-1, *p1, *p2; P1 = & v1; P2= & v2; P2=p1; Cout << *p2 << endl;

int *p1; declares a static variable.

Dynamic variables are created from the ___________.

If two pointer variables point to the same memory location, what happens when one of the pointers is freed?

Which of the following correctly declares a dynamic array of strings?

Introduction to Computer and C++ Programming

C++ Basics

More Flow of Control

Procedural Abstraction and Functions That Return a Value

Functions for All Sub Tasks

Io Streams As an Introduction to Objects and Classes

Arrays

Strings and Vectors

Defining Classes

Friends, Overloaded Operators, and Arrays in Classes

Separate Compilation and Namespaces

Pointers and Linked Lists

Recursion

Inheritance

Exception Handling

Templates

Standard Template Library

Filters

In the statement cout << p1;, the is called the ________________

What is wrong with the following code fragment? Int p1, p2; P1 = new int; P2 = new int; p1=11; p2=0; P2=p1; Cout << p1 <<" " << p2 << endl; Delete p1; Delete p2;

What is the output of the following code fragment? Int v1=2, v2=-1, p1, p2; P1 = & v1; P2= & v2; P2=p1; Cout << *p2 << endl;