Technology Timeline By amharvey Jan 1, 1800 Abacus Old calculator Jan 1, 1812 Analytical Machine Jan 1, 1845 Holes in Cards Jan 1, 1943 UNIVAC Jan 27, 1945 von Neumann Architecture Jan 1, 1946 ENIAC Jan 1, 1950 High Level Programming Language computer language Jan 28, 1970 UNIX Operating System Jan 1, 1971 PC Jan 1, 1972 CRAY-1 Jan 28, 1976 Apple Jan 28, 1978 First Electronic Spread Sheet Jan 1, 1985 Windows Jan 28, 1985 Altair Jan 28, 1997 Macintosh
