Electrical noise is such a problem in some installations that several manufacturers are using_________ instead of wires for connection to the I/O rack.
A) transistors
B) coaxial cables
C) optical cables
D) radio signals

Question

Quizplus · Accepted Answer

Optical cables are used instead of wires in some installations to reduce electrical noise because they use light to transmit data, which is immune to electromagnetic interference.

Electrical Noise Is Such a Problem in Some Installations That