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Computer History
Year/Enter		 Computer History
Inventors/Inventions		 Computer History
Description of Event
1936 Konrad Zuse – Z1 Computer First freely programmable computer.
1942 John Atanasoff & Clifford Berry
ABC Computer		 Who was first in the computing biz is not always as easy as ABC.
1944 Howard Aiken & Grace Hopper
Harvard Mark I Computer		 The Harvard Mark 1 computer.
1946 John Presper Eckert & John W. Mauchly
ENIAC 1 Computer		 20,000 vacuum tubes later…
1948 Frederic Williams & Tom Kilburn
Manchester Baby Computer & The Williams Tube		 Baby and the Williams Tube turn on the memories.
1947/48 John Bardeen, Walter Brattain & Wiliam Shockley
The Transistor		 No, a transistor is not a computer, but this invention greatly affected the history of computers. 
1951 John Presper Eckert & John W. Mauchly
UNIVAC Computer		 First commercial computer & able to pick presidential winners.
1953 International Business Machines
IBM 701 EDPM Computer		 IBM enters into ‘The History of Computers‘.
1954 John Backus & IBM 
FORTRAN Computer Programming Language		 The first successful high level programming language.

1955
(In Use 1959)

 Stanford Research Institute, Bank of America,  and General Electric
ERMA and MICR		 The first bank industry computer – also MICR (magnetic ink character recognition) for reading checks.
1958 Jack Kilby & Robert Noyce
The Integrated Circuit		 Otherwise known as ‘The Chip’
1962 Steve Russell & MIT
Spacewar Computer Game		 The first computer game invented.
1964 Douglas Engelbart
Computer Mouse & Windows		 Nicknamed the mouse because the tail came out the end.
1969 ARPAnet The original Internet.
1970 Intel 1103 Computer Memory The world’s first available dynamic RAM chip.
1971 Faggin, Hoff & Mazor
Intel 4004 Computer Microprocessor		 The first microprocessor.
1971 Alan Shugart &IBM
The “Floppy” Disk		 Nicknamed the “Floppy” for its flexibility.
1973 Robert Metcalfe & Xerox
The Ethernet Computer Networking		 Networking.
1974/75 Scelbi  & Mark-8 Altair & IBM 5100 Computers The first consumer computers.
1976/77 Apple I, II & TRS-80 & Commodore Pet Computers More first consumer computers.
1978 Dan Bricklin & Bob Frankston
VisiCalc Spreadsheet Software		 Any product that pays for itself in two weeks is a surefire winner.
1979 Seymour Rubenstein & Rob Barnaby
WordStar Software		 Word Processors.
1981 IBM
The IBM PC – Home Computer		 From an “Acorn” grows a personal computer revolution
1981 Microsoft
MS-DOS Computer Operating System		 From “Quick And Dirty” comes the operating system of the century.
1983 Apple Lisa Computer The first home computer with a GUI, graphical user interface.
1984 Apple Macintosh Computer The more affordable home computer with a GUI.
1985 Microsoft Windows Microsoft begins the friendly war with Apple.
SERIES TO BE CONTINUED

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