C++ - Module 2 Quiz

What is the purpose of variables in C++?

• To create loops

• To perform mathematical operations

• To display text on the screen

• To store data values

Which keyword is used to declare a variable that stores whole numbers in C++?

• string

• char

• double

• int

How do you assign a value to a variable in C++?

• Using the << operator

• Using the == operator

• Using the + operator

• Using the = operator

What is the correct syntax for declaring a variable in C++?

• type variable = value;

• variable = value type;

• value = variable type;

• variable type = value;

Which data type is used to store text in C++?

• string

• char

• int

• double

How can you display variables in C++?

• Using the display method

• Using the print function

• Using the cin object and >> operator

• Using the cout object and << operator

What is the purpose of the + operator in C++?

• To add variables together

• To compare variables

• To multiply variables

• To assign values to variables

What is the correct way to add two variables x and y in C++?

• int sum = x + y;

• int sum = x - y;

• int sum = x * y;

• int sum = x / y;

What happens when you assign a new value to an existing variable in C++?

• It appends the new value to the existing value

• It creates a new variable

• It deletes the existing variable

• It overwrites the previous value

What is the correct way to declare a variable without assigning a value in C++?

• int myNum;

• myNum = 0;

• int = myNum;

• myNum = int;