The German wikipedia has a nice overview over early compuers. https://de.wikipedia.org/wiki/ENIAC#Vergleich_mit_anderen_fr.C3.BChen_Computern https://de.wikiped

The German wikipedia has a nice overview over early compuers. https://de.wikipedia.org/wiki/ENIAC#Vergleich_mit_anderen_fr.C3.BChen_Computern https://de.wikipedia.org/wiki/ENIAC#Vergleich_mit_anderen_fr... Name operating since Floating Point Binary Eletric Programmable Turingcomplete Zuse Z3 May 1941 yes yes no yes yes Atanasoff-Berry Summer 1941 no yes yes no no Colossus 1943 no yes yes with rewiring no Mark I 1944 no no no punch cards yes Zuse Z4 March 1944 yes yes no punch cards yes ENIAC 1946 no no yes with rewiring yes ENIAC 1948 no no yes with a resistor matrix yes