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  • Harvard Mark 1 - US - electromechanical, general purpose
  • Zuse Z3 - Germany - electromechanical, general purpose - destroyed in bombing raid
  • Colossus - UK - electronic, cryptography special purpose - classified, not declassified until 1970s

ABC predated ENIAC but was dismantled during war - US - electronic, special purpose.

All others were designed after these.

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8y ago

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