Which device converts a physical quantity such as temperature or pressure into an electrical signal in an IoT system?
Options
A.
Sensor
B.
Actuator
C.
Gateway
D.
More than one of the above
E.
None of the above
Correct Answer (Detailed Explanation is Below)
A.
Sensor
Detailed Explanation
A sensor detects a physical quantity such as temperature, pressure, light or humidity and converts it into a measurable electrical signal that can be processed by an IoT system.