Output Devices

What does an LED do?

• Makes sound

• Displays numbers

• Lights up

• Stores data

Which device makes a beeping sound?

• Relay

• Buzzer

• LCD

• LED

What device can turn a fan ON or OFF in a smart home?

• Sensor

• Servo motor

• Relay

• LCD

What shows words or numbers on a screen?

• Buzzer

• LCD

• Relay

• LED

Which device can move to a certain angle?

• LED

• Servo motor

• LCD

• Buzzer

Which display can show numbers like 1, 2, 3?

• 7 Segment Display

• LED

• Relay

• LCD

What happens when you press a button in an Arduino project?

• LCD turns off

• Nothing happens

• LED or buzzer turns ON

• Data is deleted

What device helps us see the temperature value on screen?

• Relay

• Servo

• LCD

• LED

What kind of device is a buzzer?

• Input

• Storage

• Output

• Sensor

Which output device lights up in red or green?

• Buzzer

• Relay

• LED

• LCD