Arduino Quiz g10

What is the correct way to declare an integer variable named speed in Arduino?

• int speed = 10;

• integer speed = 10;

• var speed = 10;

• speed = 10;

Which of the following variable names is invalid in Arduino?

• sensorValue

• 123data

• temperature_sensor

• motorSpeed

What is the purpose of a variable in Arduino?

• To store and manipulate data

• To create new functions

• To directly control hardware

• To print values on the screen

Which of the followings is NOT a type of variable?

• Char

• Flood

• Int

• String

Which of the following is a valid variable name?

• float

• if

• _sensor1

• 5value

Which data type should be used to store whole numbers in Arduino?

• float

• char

• int

• boolean

What is the function of "String" data type?

• For declaring alphabetical value

• For wiring the circuit

• For storing number

• For displaying the data

Which of the following correctly declares a string variable in Arduino?

• string name = "Arduino";

• String name = "Arduino";

• char name = "Arduino";

• text name = "Arduino";

How is a string stored in Arduino?

• As an array of characters

• As a single number

• As binary code

• As an integer

Which syntax is used to read the data from input pins ?

• attach.Read()

• analogRead()

• pinMode.Read()

• String.length()