Q. Which of the following is not a transmission medium?

A
Coaxial Cable
B
Telephone Lines
C
Modem
D
Microwave System
Solution:
  • A modem is a device or program that enables a computer to transmit data over, for example, telephone or cable lines.
  • Computer information is stored digitally, whereas information transmitted over telephone lines is transmitted in the form of analog waves.
  • A modem converts between these two forms.
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