Community Memory (CM) was the first public computerized bulletin board system. Established in 1973 in Berkeley, California, it used an SDS 940 timesharing system in San Francisco connected via a 110 baud link to a Teletype Model 33 teleprinter, essentially a computer printer and keyboard (a hard copy terminal that prints both input and output), in Leopold's Records record store in Berkeley, California to let users enter and retrieve messages.
Community Memory (CM) was the first public computerized bulletin board system. Established in 1973 in Berkeley, California, it used an SDS 940 timesharing system in San Francisco connected via a 110 baud link to a Teletype Model 33 teleprinter, essentially a computer printer and keyboard (a hard copy terminal that prints both input and output), in Leopold's Records record store in Berkeley, California to let users enter and retrieve messages.
Source: Wikipedia "Community Memory" · CC BY-SA 4.0
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