this post was submitted on 14 Jul 2023
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I'm sorry to ruin your story, but before semiconductors we used vacuum tubes to do the same stuff.
(Well, they sucked in many ways: they were bulky, heavy, slow, fragile, and hot. But they could do logic gates and everything.)
And before that, the first fully electronic computers were built with clicky-clacky relays.
A modern day example: https://www.youtube.com/watch?v=kaQETdfi5jU
Right on, I forgot about all those multivibrators they made with vacuum tubes and such.