Multiple choice general knowledge science & technology When and where was the first computer invented? 1980 in U.S.A. 1946 in U.S.A. 1970 in Japan. None of the Above Reveal answer Fill a bubble to check yourself B Correct answer Explanation ENIAC was developed from 1943-1946 at the University of Pennsylvania in the USA and was formally dedicated in February 1946. This makes '1946 in U.S.A.' the correct answer.