Which of the following is not a transmission medium? (a) Telephone lines (b) Co-axial cable (c) Modem (d) Microwave system
Which of the following is not a transmission medium?
(a) Telephone lines
(b) Co-axial cable
(c) Modem
(d) Microwave system
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(c) All are communication channel but modem is a dev that convert analog signals to digital signals or vice-versa
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