history of computers By Oihane.Osinaga 1940 20 century invention of electricity Period: 1942 to 1955 1ºGeneration -Iarge -Expensive use electricke girss bolls 1945 The eniac The eniac computer was created by John Mcuchly and J.Presper eckert. 1953 2ºGeneration In 1953, grace Hopper deucloped the first computer lenguage.