Computer timeline By Byerboyz Jan 1, 1725 Hole In Cards Jan 1, 1837 The Analytical Machine Jan 1, 1945 Von Nuemann Architecture Jan 1, 1946 UNIVAC Jan 1, 1946 ENIAC Jan 1, 1957 high-level programming language Jan 1, 1965 PC Jan 1, 1969 UNIX operating system Jan 1, 1975 Altair Jan 1, 1976 CRAY-1 Jan 1, 1976 Apple Jan 1, 1979 first electronic spreadsheet Jan 1, 1984 Macintosh Jan 1, 1985 Windows