C++ Basic Input/Output Quiz

What is the purpose of the cin object in C++?

• To take input from the user

• To print characters

• To print integers

• To display output to the user

Which operator is used to display output in C++?

• >>

• <<

• endl

What is the output of the following code snippet? int num1 = 70; double num2 = 256.783; char ch = 'A'; cout << num1 << endl; cout << num2 << endl; cout << "character: " << ch << endl;

• 70 256.783 character: A

• 70, 256.783, character: A

• 70, 256.783 character: A

• 70 256.783 character: A

What does the following code snippet do? int num; cout << "Enter an integer: "; cin >> num; cout << "The number is: " << num;

• Displays an integer and takes an input

• Displays a message and prints an integer

• Displays a message and takes an integer input from the user

• Displays an integer and prints a message

What is the purpose of the following code snippet? char a; int num; cout << "Enter a character and an integer: "; cin >> a >> num; cout << "Character: " << a << endl; cout << "Number: " << num;

• Takes multiple inputs from the user

• Prints a message

• Prints a character and an integer

• Takes an integer input

What are some common challenges developers might face when working with input and output in C++, and how can they be addressed?

Can you explain the purpose of the cin object in C++?