A smart refrigerator can use _____ to detect when you are running low on milk, and then send a reminder to you on a wireless network.
A) transistors
B) sensors
C) kiosks
D) navigation systems

Question

Quizplus · Accepted Answer

A sensor is a device that can detect and respond to some type of input from the physical environment. In this case, sensors can be installed within the refrigerator to detect when the milk level is running low and then trigger a message to the user via a wireless network.

A Smart Refrigerator Can Use _____ to Detect When You