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TIL optical telegraphs (at the turn of the 19th century) had many features now commonplace in modern networks, including control characters, routing, error control, flow control, message priority, and (en.wikipedia.org)

submitted 5 months ago by Coldmoon@sh.itjust.works to c/todayilearned@lemmy.ml

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[-] Coldmoon@sh.itjust.works 7 points 5 months ago

Ya got me lol

this post was submitted on 20 Feb 2025

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