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When screening a phone call, an assistant to a busy executive must
Optical Isolator
A device that uses light to transfer an electrical signal between elements of a system while keeping them electrically isolated.
Electrical Noise Interference
Unwanted disturbances superimposed on a useful signal that degrade the quality of signal transmission or processing.
Logic Circuits
Electronic circuits that employ logic gates to perform specific logical operations, resulting in binary output based on one or more binary inputs.
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