Which sensor is used to detect movement? A. Motion sensor B. Humidity sensor C. GPS sensor D. Pressure sensor
A
Tells you your steps and heart rate
Smartwatch
Shows if food is running out
Smart fridge
A sensor is an input device or output device for IoT?
Input
A smart light turns on when it gets dark. Which sensor does it use?
Light sensor
Smart devices can send input data over ....................
the internet
Helps you see who is at your door
smart doorbell
Turns on and off using a phone
smart light
IoT is short for
Internet of things
What do sensors do in IoT devices? A. Detect and measure things B. Turn off the Internet
A
Which device is an example of IoT?
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
A
What does a GPS sensor detect? A. Smells B. Your location C. Weight D. Water levels
B
Which one is an IoT device? a) Ceiling fan b) Smart speaker c) Wooden table
b
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