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UML and Data Modeling: A Reconciliation by David Hay

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Computer time-sharing, created in 1961, made it possible for a person to sit at a typewriter-like device, send messages directly to a computer that, thanks to the telephone network, could be far away. The computer would then send responses directly back to that person, across the same network. More significantly, multiple people could be working on the same computer at the same time, with each imagining that e was using it exclusively. Programs could be written, tested, and results examined, all while sitting at the remote device. More significantly, the resulting programs could then be turned over to end-users who could then sit in front of similar devices and have the same interactive experience of entering data and ...

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