Check out this one: https://en.wikipedia.org/wiki/Tabulating_machine https://en.wikipedia.org/wiki/Tabulating_machine Yes, not exactly a computer, definitely no

Check out this one: https://en.wikipedia.org/wiki/Tabulating_machine https://en.wikipedia.org/wiki/Tabulating_machine Yes, not exactly a computer, definitely not a von Neumann one, but close enough to see how such thing would be useful. Also according to Wikipedia, this is the first thing to ever be called "super computing" device. That's what I mean - there's a long history of continuosly improving practical devices that led to the modern computer. For QC, we don't have that history.