First digital programmable electronic computing devices According to Official Guinness Records,
Designed by a team of British engineers led by Tommy Flowers, the Colossus computers were used to decipher communications between German military commanders towards the end of the Second World War. The first model began its work in February 1944, using vacuum tubes, predecessors of transistors, to perform calculations for code breaking. They were the first digital programmable electronic computing devices. For a complete list of 1944 records, please visit 1944 Guinness Records in United Kingdom .
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When was the first computer invented?
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