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> Perhaps electromechanical is in reference to something like the enigma machine. Yes, I agree, good example, but that also predates vacuum tubes as computing/
by lutusp 10y ago
> Perhaps electromechanical is in reference to something like the enigma machine.
Yes, I agree, good example, but that also predates vacuum tubes as computing/logical elements. So the temporal order is still wrong.
Maybe the author didn't really intend that the list be temporally ordered -- but it seems as though that was the intent.
- dogma1138 10y agoI think by relay they are referring to reed switches: https://en.m.wikipedia.org/wiki/Reed_relay https://en.m.wikipedia.org/wiki/Reed_relay Which were used for memory and other computing tasks after tubes were already obsolete.