Question 1

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 2

The size of dynamic arrays must be declared at compile time.

Accepted Answer

A) True 
 B)False

Question 3

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 4

Which of the following statements correctly prints out the value that is in the memory address that the pointer p1 is pointing to?

Accepted Answer

A) cout << &p1; 
B) cout << p1; 
C) cout << int* p1; 
D) cout << *p1; 
A) cout << &p1; 
B) cout << p1; 
C) cout << int* p1; 
D) cout << *p1;

Question 5

Declare a pointer variable named ptr to an integer.

Accepted Answer

The answer of Declare a pointer variable named ptr to...

Question 6

Assuming that the pointer variable p1 is of the correct type and size is an integer with some value > 1,which of the following declarations are legal?

Accepted Answer

A) p1 = new string[size]; 
B) p1 = new ifstream[size]; 
C) p1 = new char[size*size]; 
D) A and B 
E) A,B and C 
A) p1 = new string[size]; 
B) p1 = new ifstream[size]; 
C) p1 = new char[size*size]; 
D) A and B 
E) A,B and C

Question 7

When you return a dynamic array to the freestore,you must include the number of elements in the array.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is not true?

Accepted Answer

A) a pointer can be assigned the address of an array 
B) an array can be assigned the value in a pointer variable 
C) if a pointer points to an array,it can be used in place of the array name 
D) if a pointer points to an array,the pointer does not know how many elements are in the array. 
A) a pointer can be assigned the address of an array 
B) an array can be assigned the value in a pointer variable 
C) if a pointer points to an array,it can be used in place of the array name 
D) if a pointer points to an array,the pointer does not know how many elements are in the array.

Question 9

int *p1; declares a static variable.

Accepted Answer

A) True 
 B)False

Question 10

Even though pointers point to addresses which are integers,you can not assign an integer to a pointer variable.

Accepted Answer

A) True 
 B)False

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

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

Accepted Answer

dereferenc

Question 13

If p1 is an integer pointer that is pointing to memory location 1001,and an integer takes 4 bytes,then p1+1)evaluates to:

Accepted Answer

A) 1002 
B) 1004 
C) 1005 
D) Unknown 
A) 1002 
B) 1004 
C) 1005 
D) Unknown

Question 14

A pointer can be stored in an integer variable.

Accepted Answer

A) True 
 B)False

Question 15

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 16

Dynamic variables are created from the ___________.

Accepted Answer

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

Question 17

A ___________ is the memory address of a variable.

Accepted Answer

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

Question 18

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 19

If a program requires a dynamically allocate two-dimensional array,you would allocate the memory by using

Accepted Answer

A) p1 = new int*[numRows]; forint i=0; i < numRows; i++)
P1[i] = new int[numColumns]; 
B) p1 = new int*[numRows][numColumns]; 
C) p1 = new[numRows][numColumns]int; 
D) none of the above 
A) p1 = new int*[numRows]; forint i=0; i < numRows; i++)
P1[i] = new int[numColumns]; 
B) p1 = new int*[numRows][numColumns]; 
C) p1 = new[numRows][numColumns]int; 
D) none of the above

Question 20

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);

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

The size of dynamic arrays must be declared at compile time.

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

Which of the following statements correctly prints out the value that is in the memory address that the pointer p1 is pointing to?

Declare a pointer variable named ptr to an integer.

Assuming that the pointer variable p1 is of the correct type and size is an integer with some value > 1,which of the following declarations are legal?

When you return a dynamic array to the freestore,you must include the number of elements in the array.

Which of the following is not true?

int *p1; declares a static variable.

Even though pointers point to addresses which are integers,you can not assign an integer to a pointer variable.

Given that p1 is a pointer,p1++

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

If p1 is an integer pointer that is pointing to memory location 1001,and an integer takes 4 bytes,then p1+1)evaluates to:

A pointer can be stored in an integer variable.

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;

Dynamic variables are created from the ___________.

A ___________ is the memory address of a variable.

Which of the following correctly declare 3 integer pointers?

If a program requires a dynamically allocate two-dimensional array,you would allocate the memory by using

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

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

The size of dynamic arrays must be declared at compile time.

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

Which of the following statements correctly prints out the value that is in the memory address that the pointer p1 is pointing to?

Declare a pointer variable named ptr to an integer.

Assuming that the pointer variable p1 is of the correct type and size is an integer with some value > 1,which of the following declarations are legal?

When you return a dynamic array to the freestore,you must include the number of elements in the array.

Which of the following is not true?

int *p1; declares a static variable.

Even though pointers point to addresses which are integers,you can not assign an integer to a pointer variable.

Given that p1 is a pointer,p1++

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

If p1 is an integer pointer that is pointing to memory location 1001,and an integer takes 4 bytes,then p1+1)evaluates to:

A pointer can be stored in an integer variable.

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;

Dynamic variables are created from the ___________.

A ___________ is the memory address of a variable.

Which of the following correctly declare 3 integer pointers?

If a program requires a dynamically allocate two-dimensional array,you would allocate the memory by using

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;