Computer History By MarcoA Jan 1, 1642 The first mechanical calulator Jan 1, 1837 First mechanical computer Oct 1, 1842 first computer programmer Jan 1, 1936 First electric computer blueprint Jan 1, 1941 First working machine featuring binary arithmatic Jan 15, 1942 First digital computer Jan 1, 1945 First memory storage Jan 1, 1950 First basic version of the internet