 The Moore School in Philadelphia, Pennsylvania was at the center of developments in high-speed electronic computing in 1946.On February 14 of that year it had publicly unveiled the ENIAC, the first general-purpose electronic digital computer, developed in secret beginning in 1943 for the Army's Ballistics Research Laboratory.Prior even to the ENIAC's completion, work had begun on a second-generation electronic digital computer, the EDVAC, which incorporated the stored program model.