Discuss the meaning of each of the following objects: a) std: :cin b) std: : cout

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Answer 1

Textbook Question

Chapter 2, Problem 2.7E

Discuss the meaning of each of the following objects:
a) std: :cin
b) std: : cout

(a)

Expert Solution

To determine

To discuss the meaning of std::cin.

Explanation of Solution

cin is an object which is used to read the data from input devices in a C++ program. Here, std is the standard I/O reader. It needs “iostream” header file to be included with preprocessor as #include<iostream>.std::cin is normally connected to the keyboard to input data. Data is inputted by a concatenating stream extraction operator (>gt;).

So, std::cin is used to read input from the user.

(b)

Expert Solution

To determine

To discuss the meaning of std::cout.

Explanation of Solution

cout is an object which is used to write the output to the console in a C++ program. Here, std is the standard I/O reader. It needs “iostream” header file to be included with preprocessor as #include<iostream>.std::cout is normally connected to screen to output the data.std::cout indicates that the cout is used from “namespace ” std. Data is outputted by a concatenating stream insertion operator (<<).

So,std::cout will send the stream of characters to the standard output stream object.

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Answer 2

Textbook Question

Chapter 2, Problem 2.7E

Discuss the meaning of each of the following objects:
a) std: :cin
b) std: : cout

(a)

Expert Solution

To determine

To discuss the meaning of std::cin.

Explanation of Solution

cin is an object which is used to read the data from input devices in a C++ program. Here, std is the standard I/O reader. It needs “iostream” header file to be included with preprocessor as #include<iostream>.std::cin is normally connected to the keyboard to input data. Data is inputted by a concatenating stream extraction operator (>gt;).

So, std::cin is used to read input from the user.

(b)

Expert Solution

To determine

To discuss the meaning of std::cout.

Explanation of Solution

cout is an object which is used to write the output to the console in a C++ program. Here, std is the standard I/O reader. It needs “iostream” header file to be included with preprocessor as #include<iostream>.std::cout is normally connected to screen to output the data.std::cout indicates that the cout is used from “namespace ” std. Data is outputted by a concatenating stream insertion operator (<<).

So,std::cout will send the stream of characters to the standard output stream object.

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Answer 3

Textbook Question

Chapter 2, Problem 2.7E

Discuss the meaning of each of the following objects:
a) std: :cin
b) std: : cout

(a)

Expert Solution

To determine

To discuss the meaning of std::cin.

Explanation of Solution

cin is an object which is used to read the data from input devices in a C++ program. Here, std is the standard I/O reader. It needs “iostream” header file to be included with preprocessor as #include<iostream>.std::cin is normally connected to the keyboard to input data. Data is inputted by a concatenating stream extraction operator (>gt;).

So, std::cin is used to read input from the user.

(b)

Expert Solution

To determine

To discuss the meaning of std::cout.

Explanation of Solution

cout is an object which is used to write the output to the console in a C++ program. Here, std is the standard I/O reader. It needs “iostream” header file to be included with preprocessor as #include<iostream>.std::cout is normally connected to screen to output the data.std::cout indicates that the cout is used from “namespace ” std. Data is outputted by a concatenating stream insertion operator (<<).

So,std::cout will send the stream of characters to the standard output stream object.

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Answer 4

Textbook Question

Chapter 2, Problem 2.7E

Discuss the meaning of each of the following objects:
a) std: :cin
b) std: : cout

(a)

Expert Solution

To determine

To discuss the meaning of std::cin.

Explanation of Solution

cin is an object which is used to read the data from input devices in a C++ program. Here, std is the standard I/O reader. It needs “iostream” header file to be included with preprocessor as #include<iostream>.std::cin is normally connected to the keyboard to input data. Data is inputted by a concatenating stream extraction operator (>gt;).

So, std::cin is used to read input from the user.

(b)

Expert Solution

To determine

To discuss the meaning of std::cout.

Explanation of Solution

cout is an object which is used to write the output to the console in a C++ program. Here, std is the standard I/O reader. It needs “iostream” header file to be included with preprocessor as #include<iostream>.std::cout is normally connected to screen to output the data.std::cout indicates that the cout is used from “namespace ” std. Data is outputted by a concatenating stream insertion operator (<<).

So,std::cout will send the stream of characters to the standard output stream object.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

(a)

Expert Solution

To determine

To discuss the meaning of std::cin.

Explanation of Solution

cin is an object which is used to read the data from input devices in a C++ program. Here, std is the standard I/O reader. It needs “iostream” header file to be included with preprocessor as #include<iostream>.std::cin is normally connected to the keyboard to input data. Data is inputted by a concatenating stream extraction operator (>gt;).

So, std::cin is used to read input from the user.

(b)

Expert Solution

To determine

To discuss the meaning of std::cout.

Explanation of Solution

cout is an object which is used to write the output to the console in a C++ program. Here, std is the standard I/O reader. It needs “iostream” header file to be included with preprocessor as #include<iostream>.std::cout is normally connected to screen to output the data.std::cout indicates that the cout is used from “namespace ” std. Data is outputted by a concatenating stream insertion operator (<<).

So,std::cout will send the stream of characters to the standard output stream object.

Answer 8

(a)

Expert Solution

To determine

To discuss the meaning of std::cin.

Explanation of Solution

cin is an object which is used to read the data from input devices in a C++ program. Here, std is the standard I/O reader. It needs “iostream” header file to be included with preprocessor as #include<iostream>.std::cin is normally connected to the keyboard to input data. Data is inputted by a concatenating stream extraction operator (>gt;).

So, std::cin is used to read input from the user.

Answer 9

(a)

Expert Solution

Answer 10

(a)

Expert Solution

Answer 11

Expert Solution

Answer 12

To determine

To discuss the meaning of std::cin.

Answer 13

Explanation of Solution

cin is an object which is used to read the data from input devices in a C++ program. Here, std is the standard I/O reader. It needs “iostream” header file to be included with preprocessor as #include<iostream>.std::cin is normally connected to the keyboard to input data. Data is inputted by a concatenating stream extraction operator (>gt;).

So, std::cin is used to read input from the user.

Answer 14

(b)

Expert Solution

To determine

To discuss the meaning of std::cout.

Explanation of Solution

cout is an object which is used to write the output to the console in a C++ program. Here, std is the standard I/O reader. It needs “iostream” header file to be included with preprocessor as #include<iostream>.std::cout is normally connected to screen to output the data.std::cout indicates that the cout is used from “namespace ” std. Data is outputted by a concatenating stream insertion operator (<<).

So,std::cout will send the stream of characters to the standard output stream object.

Answer 15

(b)

Expert Solution

Answer 16

(b)

Expert Solution

Answer 17

Expert Solution

Answer 18

To determine

To discuss the meaning of std::cout.

Answer 19

Explanation of Solution

cout is an object which is used to write the output to the console in a C++ program. Here, std is the standard I/O reader. It needs “iostream” header file to be included with preprocessor as #include<iostream>.std::cout is normally connected to screen to output the data.std::cout indicates that the cout is used from “namespace ” std. Data is outputted by a concatenating stream insertion operator (<<).

So,std::cout will send the stream of characters to the standard output stream object.

Answer 20

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Discuss the meaning of each of the following objects: a) std: :cin b) std: : cout

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