Early Digital Comms, was: Modems - Hayes - Instant Communications

[ good discussion of how the telegraph allowed (almost) real time central/remote control of armies snipped for space ]

This centralized control depended on the telegraph, a form of

> communication not previously available in war. The telegraph is a > form of digital communication, a concept not previously in use.

" One if by land, two if by sea And I on the opposite shore will be, Ready to ride and spread the alarm Through every Middlesex village and farm, For the country folk to be up and to arm. . .

In other words, digital communications were in use a lot earlier than the telegraph. Much, much, slower throughput, though.

(For that matter, you can go back to fires on mountaintops and to smoke signals).

_____________________________________________________ Knowledge may be power, but communications is the key snipped-for-privacy@panix.com [to foil spammers, my address has been double rot-13 encoded]

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Danny Burstein
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