Arduino Variables and Operators

What are the data types supported in Arduino?

• bool

• string

• int, float, char, byte, boolean, void

• double

How do you declare a variable in Arduino?

• float myNumber;

• myNumber = 5;

• int myNumber;

• String myNumber;

What are the arithmetic operators available in Arduino?

• The arithmetic operators available in Arduino are addition (+), subtraction (-), multiplication (*), division (/), and modulus (%)

• concatenation (&)

• exponentiation (^)

• increment (++)

Which operator is used for equality comparison in Arduino?

• !=

• <>

• ==

• ><

What are the logical operators used in Arduino?

• & (bitwise AND)

• | (bitwise OR)

• && (logical AND), || (logical OR), ! (logical NOT)

• ~ (bitwise NOT)

How do you assign a value to a variable in Arduino?

• Use the division operator '/' to assign a value to a variable in Arduino.

• Use the addition operator '+' to assign a value to a variable in Arduino.

• Use the multiplication operator '*' to assign a value to a variable in Arduino.

• Use the assignment operator '=' to assign a value to a variable in Arduino.

Which data type is used for storing whole numbers in Arduino?

• int

• double

• char

• float

What is the syntax for declaring a variable in Arduino?

• variable_name data_type;

• variable_name = data_type;

• data_type variable_name;

• variable_name : data_type;

What is the result of 5 + 3 in Arduino?

• 10

• 7

• 8

• 9

What does the '&&' operator do in Arduino?

• Performs logical OR operation

• Performs multiplication operation

• Performs logical AND operation

• Performs addition operation