Z1 Computer – 1936 by Konard Zuse

ABC Computer – 1942 by John Atanasoff & Clifford Berry

Harvard Mark I Computer – 1944 by Howard Aiken & Grace Hopper

ENIAC 1 Computer – 1946 by John Presper Eckert & John W.Mauchly

Baby Computer & The Williams Tube – 1948 by Frederic Williams & Tom Kilburn Manchester

The Transistor – 1947/48 by John Bardeen, Walter Brattain & Wiliam Shockley

UNIVAC Computer – 1951 by John Presper Eckert & John W.Mauchly

IBM 701 EDPM Computer – 1953 by International Business Machines (IBM)

FORTRAN Computer Programming Language – 1954 by John Backus & IBM

ERMA and MICR – 1955 by Stanford Research Institute, Bank of America, and General Electric

The Integrated Circuit – 1958 by Jack Kilby & Robert Noyce

Spacewar Computer Game – 1962 by Steve Russell & MIT

Computer Mouse & Windows – 1964 by Douglas Engelbart

ARPAnet in 1969

Intel 1103 Computer Memory in 1970

Intel 4004 Computer Microprocessor – 1971 by Faggin, Hoff & Mazor

The “Floppy” Disk – 1971 by Alan Shugart &IBM

The Ethernet Computer Networking – 1973 by Robert Metcalfe & Xerox

5100 Computers – 1974/75 by Scelbi & Mark-8 Altair & IBM

Pet Computers – 1976/77 by Apple I, II & TRS-80 & Commodore

VisiCalc Spreadsheet Software – 1978 by Dan Bricklin & Bob Frankston

WordStar Software – 1979 by Seymour Rubenstein & Rob Barnaby

The IBM PC – Home Computer – 1981 by IBM

MS-DOS Computer Operating System – 1981 by Microsoft

Apple Lisa Computer in 1983

Apple Macintosh Computer in 1984

Microsoft Windows in 1985

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