history of computers By phillipgrisham11 Jan 20, 1936 Z-1 computer created first freely progammed computer Jan 20, 1942 ABC computer created Oct 20, 1944 Harvard Mark 1 Oct 24, 1946 ENIAC 1 computer Oct 24, 1947 The Transistor Oct 24, 1948 Manchester Baby Computer & the Williams Tube Oct 24, 1951 UNIVAC computer Oct 24, 1953 IDM 701 EDPM Oct 24, 1954 FORTRAN programming language Oct 24, 1955 ERMA & MICR Oct 24, 1958 Integrated Circuit Oct 25, 1962 Spacewar computer game Oct 25, 1964 computer mouse & windows Oct 25, 1969 ARPAnet Oct 25, 1970 Intel 1103 computer memory Oct 25, 1971 Intel 4004 computer microprocessor Oct 25, 1971 the "Floppy" disk Oct 25, 1973 The Ethernet Oct 25, 1974 Scelbi & Mark-8 Altair & IBM 5100 computers created Oct 25, 1976 Apple I,II & TRS-80 & Commodore pet computers created Oct 25, 1978 VisaCalc spreadsheet software Oct 25, 1979 Wordstar Oct 25, 1981 IBM PC- Home computer Oct 25, 1981 MS-DOS computer operating system Oct 25, 1983 Apple Lisa computer Oct 25, 1984 Apple Macintosh Oct 25, 1985 Microsoft Windows
