Re: What exactly is a router?
there is no such thing as a Internet signal and a modem does not convert a signal for use on the Internet.
Originally Posted by drpjkurian
A modem modulates a signal to be sent to another modem which can demodulate it back into a language the attached computer can understand.
Modems were around and used before the www came about, they can dial straight into another computer without the use of the Internet.
What they do with the modulation/demodulation is to allow one computer to communicate with another often today involving Internet access.
This could be through POTS (plain old telephone system) or *DSL or Fibre or Cable.
At one time they simply converted a digital signal into a analogue one to allow the telephone lines to carry the information which would then be converted back to digital at the receiving modem.
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