Computer Hardware over 100 years By JackBailey77 Period: Jan 1, 1915 to Jan 1, 2015 The years Feb 9, 1936 First freely programmable computer. Feb 9, 1942 ABC Computer Feb 9, 1944 The Harvard Mark 1 computer. Feb 9, 1946 ENIAC 1 Computer Feb 9, 1948 Manchester Baby Computer & The Williams Tube Feb 9, 1948 The Transistor Feb 9, 1951 UNIVAC Computer Feb 9, 1953 IBM 701 EDPM Computer Feb 9, 1954 FORTRAN Computer Programming Language Feb 9, 1955 ERMA and MICR Feb 9, 1958 The Integrated Circuit Feb 9, 1962 Spacewar Computer Game Feb 9, 1964 Computer Mouse & Windows Feb 9, 1969 ARPAnet Feb 9, 1970 Intel 1103 Computer Memory Feb 9, 1971 Intel 4004 Computer Microprocessor Feb 9, 1971 The "Floppy" Disk Feb 9, 1973 The Ethernet Computer Networking Feb 9, 1975 Scelbi & Mark-8 Altair & IBM 5100 Computers Feb 9, 1977 Apple I, II & TRS-80 & Commodore Pet Computers Feb 9, 1978 VisiCalc Spreadsheet Software Feb 9, 1979 WordStar Software Feb 9, 1981 The IBM PC - Home Computer Feb 9, 1981 MS-DOS Computer Operating System Feb 9, 1983 Apple Lisa Computer Feb 9, 1984 Apple Macintosh Computer Feb 9, 1985 Microsoft Windows