C++ Basics Quiz

Which keyword is used to declare a variable in C++?

• define

• auto

• var

• int

Which of the following is a valid variable name?

• 1stValue

• int

• _myVar

• double

What is the purpose of variables in C++?

• To store data values

• To perform loops

• To define functions

• To manage memory allocation

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

• int x := 5;

• int x = 5;

• x = 5;

• let x = 5;

What is a valid declaration of an integer variable?

• int x;

• int x := 5;

• int x == 5;

• int x is 5;

Which keyword is used to make a variable constant?

• const

• static

• final

• let

What type of data can be stored in a variable of type int?

• Decimal numbers

• Whole numbers

• Text

• Boolean values

What is the default value of an uninitialized variable in C++?

• 0

• Undefined

• -1

• It depends on the variable type

Which of these variable names is NOT valid?

• myVar

• _myVar

• 2ndVar

• myVar2

Which symbol is used to end a statement in C++?

• ,

• ;

• :

• .