The first programmable electronic computer was built by Tommy Flowers in the UK for WWII codebreaking. The Z3 predates Colossus. [1][2] [1] https://en.wikiped

The first programmable electronic computer was built by Tommy Flowers in the UK for WWII codebreaking. The Z3 predates Colossus. [1][2] [1] https://en.wikipedia.org/wiki/Z3_%28computer%29 https://en.wikipedia.org/wiki/Z3_%28computer%29 [2] https://en.wikipedia.org/wiki/History_of_computing_hardware https://en.wikipedia.org/wiki/History_of_computing_hardware