Address of (&) operator: The main purpose of address operator “&” operator in pointers is to return the memory address of variables. When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable. Example Program : //include necessary header #include <iostream> #include <string> using namespace std; //main method int main() { //variable declaration int a; //display the address of the variable a cout << &a; } Representing array using pointer notation: In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value. So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified. When we represent only the array name, it will indicate the first element of the array. To represent the next element we need to increment the values by one to find the proceeding elements of the array. When “&” operator is used before an array it will return the address of the corresponding value.

Question

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Answer 1

Question

Chapter 9.9, Problem 9.9CP

A)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

B)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

C)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

D)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

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See solution

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Answer 2

Question

Chapter 9.9, Problem 9.9CP

A)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

B)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

C)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

D)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 9.9, Problem 9.9CP

A)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

B)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

C)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

D)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 9.9, Problem 9.9CP

A)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

B)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

C)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

D)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 5

Chapter 9.9, Problem 9.9CP

A)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

B)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

C)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

D)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

Answer 6

Chapter 9.9, Problem 9.9CP

A)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

Answer 7

Chapter 9.9, Problem 9.9CP

A)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

Answer 8

B)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

Answer 9

B)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

Answer 10

C)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

Answer 11

C)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

Answer 12

D)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

Answer 13

D)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.

So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.

When we represent only the array name, it will indicate the first element of the array.

To represent the next element we need to increment the values by one to find the proceeding elements of the array.

When “&” operator is used before an array it will return the address of the corresponding value.

Answer 14

Expert Solution & Answer

Answer 15

Expert Solution & Answer

Answer 16

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Answer 17

Ch. 9.5 - Prob. 9.1CP Ch. 9.5 - Write the definition statement for a variable...Ch. 9.5 - List three uses of the symbol in C++.Ch. 9.5 - What is the output of the following code? int x =...Ch. 9.5 - Rewrite the following loop so it uses pointer...Ch. 9.5 - Prob. 9.6CP Ch. 9.5 - Prob. 9.7CP Ch. 9.5 - Is each of the following definitions valid or...Ch. 9.9 - Prob. 9.9CP Ch. 9.9 - Give an example of the proper way to call the...

Solution Summary: The author explains the main purpose of address operator "&" operator in pointers is to return the memory address of variables.

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