Programming I Quiz 1

What does the "cout" statement do in C++?

• it receives user input

• performs arithmetic operations

• displays output in the console

• declares a variable

Which C++ syntax is used to add a single-line comment?

• /* comment */

• // comment

• # comment

• -- comment

Which of the following is not a valid C++ variable name?

• myVariable

• 123variable

• _variable

• variable123

What data type is used to store whole numbers in C++?

• float

• char

• int

• double

Which C++ data type is used to store characters?

• char

• string

• int

• float

What is the result of the expression "5 + 3" in C++?

• 8

• 53

• 15

• 2

Which arithmetic operator is used for division in C++?

• /

• *

• %

• +

How do you declare and initialize a variable in C++?

• declareVariable;

• var_name = value;

• int var_name;

• initialize var_name;

What is the purpose of the "cin" statement in C++?

• It displays output

• It receives user input

• It comments out code

• It declares a variable

Which data type should you use to store decimal numbers in C++?

• int

• double

• char

• bool