Examlex
Which of the following communication methods has the lowest richness?
Electrical Interference
Disturbances generated by external sources that affect an electrical circuit by electromagnetic induction, electrostatic coupling, or conduction.
Ultrasonic Sensors
Devices that measure the distance to an object through the emission of ultrasonic sound waves and the detection of their reflections, used in various applications like level sensing and obstacle detection.
High-frequency Light
Light that emits or operates at high frequencies, often used in specialized applications such as UV curing or fast optical communication.
Encoders
Devices that convert motion or position into an electrical signal, often used for feedback in control systems.
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