Variable and Serial communication

What is a variable?

• A function to repeat the program many times

• Types of storage

• Storage locations with names that hold data

• A function to pause the program

Can a variable hold different types of data?

• Yes

• No

How do we set the types of data the variable holds?

• Using data types

• Using a loop

• Using Serial.print

• Using pinMode

Can we give any name to a variable?

• Yes

• No

What does int stands for in programming?

• initial

• integer

• integrity

• interval

What is an integer?

• Alphabets

• Numbers with decimal points

• Numbers without decimal points

• Sentences

If you have a variable that stores the value "3", which data type is this?

• int

• float

• double

• string

int number = 3;

Is this the correct way to declare a variable?

• Yes

• No

What is a float in programming?

• Alphabets

• Numbers with decimal points

• Numbers without decimal points

• Sentences

If you have a variable that stores the value "3.142", which data type is this?

• int

• float

• double

• string