Highlights in Computer History

Webster's Dictionary defines "computer" as any programmable electronic device that can store, retrieve, and process data COMPUTER From the Latin word “computare” to reckon – to sum up The Old Oxford English dictionary describes a computer as a person employed to make calculations. * Before the machines, people were hired to do calculations .

Abacus 3000 BC ,[object Object]

the slide rule 1622 ,[object Object]

1623 - 1833 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The 1890 census is tabulated on punch cards ,[object Object],[object Object]

1892 - 1928 ,[object Object],[object Object],[object Object],[object Object]

First Generation Computers 1940-1956: Vacuum Tubes ,[object Object]

1938 - 1943 ,[object Object],[object Object],[object Object],[object Object]

ENIAC 1946 -1955 ,[object Object]

1946 - 1952 ,[object Object],[object Object],[object Object]

UNIVAC 1952 ,[object Object],[object Object],[object Object],[object Object]

Advertisement for the UNIVAC 1952

Second Generation Computers- 1956-1963: Transistors ,[object Object],In 1959 IBM shipped its first transistorized, or second generation, computers – The IBM 1401

1957 Lejaren Hiller ,[object Object],Hiller founded the Experimental Music Studio at the University of Illinois in the late '50s and served as a Professor of Composition at the State University of N.Y. at Buffalo. Hiller died Jan 26, 1994 in Buffalo, NY

Third Generation Computers – 1964-1971: Integrated Circuits ,[object Object]

1960 - 1971 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],IBM System 360

Mini Computer’s of the 1960’s ,[object Object],[object Object],1969: Honeywell releases the H316 "Kitchen Computer", the first home computer, priced at $10,600 in the Neiman Marcus catalog.

Fourth Generation computers – 1971-Present: Microprocessors ,[object Object]

1973 - 1980 ,[object Object],[object Object],[object Object],[object Object],[object Object],Bill Gates

Osborne I – the first “laptop” ,[object Object]

1983 - 1991 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TODAY CD / DVD P D A Flat Screens U S B connectivity scanner MP3 players Electronic Tablets

Highlights in Computer History

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Highlights in Computer History