Helps you see who is at your door

Why are sensors important in IoT devices? A. They allow devices to collect data B. They improve battery life C. They make the device heavy D. They remove Internet access

Which one is an IoT device? a) Ceiling fan b) Smart speaker c) Wooden table

A sensor is an input device or output device for IoT?

Shows if food is running out

Which sensor is used to detect movement? A. Motion sensor B. Humidity sensor C. GPS sensor D. Pressure sensor

A smart light turns on when it gets dark. Which sensor does it use?

What does a GPS sensor detect? A. Smells B. Your location C. Weight D. Water levels

Which device is an example of IoT?

IoT devices can talk to each other using:

Smart devices can send input data over ....................

What do sensors do in IoT devices? A. Detect and measure things B. Turn off the Internet