Science, asked by psatyam4151, 10 months ago

Which one is the oldest one and mostly used device in communication medium-
(a) Coaxial cable
(b) Optical Fiber
(c) Twisted pair
(d) None of these

Answers

Answered by dimpigogoi6667
0

Answer:

none of these

Explanation:

There are different types of transmission medium.

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