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.