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History of Computers

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Surya Chandrasekar

on 9 September 2013

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Transcript of History of Computers

History of Computer Timeline
The Word
The word "computer" was first recorded as being used in 1613 and was originally was used to describe a person who performed calculations or computations. The definition of a computer remained the same until the end of the 19th century when it began referring to a machine that performed calculations.
First Programmable Computer
The Z1, originally created by Germany's Konrad Zuse in his parents living room in 1936 to 1938 and is considered to be the first electro-mechanical binary programmable (modern) computer and really the first functional computer.
The Colossus
The Colossus was the first electric programmable computer and was developed by Tommy Flowers and first demonstrated in December 1943. The Colossus was created to help the British code breakers read encrypted German messages.
The first stored program computer
The early British computer known as the EDSAC is considered to be the first stored program electronic computer. The computer performed its first calculation on May 6, 1949
First stored program computer
First delivered to the United States Government in 1950, the UNIVAC 1101 or ERA 1101 is considered to be the first computer that was capable of storing and running a program from memory.
First Gigabyte Hard Drive
In 1981 the first Gigabyte hard drive is introduced by IBM and weighed 550lbs with a price of $44,000.
Kindle Fire
The Kindle Fire is released for sale on November 15, 2011.
Bibliography
http://www.merriam-webster.com/dictionary/icon
http://www.computerhope.com/issues/ch000984.htm
http://en.wikipedia.org/wiki/Z1_(computer)
http://en.wikipedia.org/wiki/Colossus_computer
http://en.wikipedia.org/wiki/Atanasoff%E2%80%93Berry_Computer
http://www.cl.cam.ac.uk/relics/archive_photos.html
First mechanical computer
In 1822, Charles Babbage purposed and began developing the Difference Engine, considered to be the first automatic computing engine that was capable of computing several sets of numbers and making a hard copies of the results.
First Digital Computer
Short for Atanasoff-Berry Computer, the ABC started being developed by Professor John Vincent Atanasoff and graduate student Cliff Berry in 1937 and continued to be developed until 1942 at the Iowa State College
First Computer Brand
The first computer company was the Electronic Controls Company and was founded in 1949 by J. Presper Eckert and John Mauchly
First commercial computer
In 1942, Konrad Zuse begin working on the Z4, which later became the first commercial computer after being sold to Eduard Stiefel a mathematician of the Swiss Federal Institute of Technology Zurich on July 12, 1950.
The first PC (IBM compatible) computer


On April 7, 1953 IBM publicly introduced the 701, its first electric computer and first mass produced computer.
The first minicomputer
In 1960, Digital Equipment Corporation released its first of many PDP computers the PDP-1.


The first mass-market PC
In 1968, Hewlett Packard began marketing the first mass-marketed PC, the HP 9100A.
The first Apple computer
Steve Wozniak designed the first Apple known as the Apple I computer in 1976.


Apples first operating system
In June of 1978 Apple introduces Apple DOS 3.1, the first operating system for the Apple computers.
Microsoft Windows Introduced
Microsoft Windows 1.0 is introduced in November 20, 1985 and is initially sold for $100.00.
Microsoft Windows 2.0
Microsoft Windows 2.0 was released December 9, 1987 and is initially sold for $100.00.
iPad
Apple introduces the iPad on January 27, 2010.
Kinect
Microsoft first releases the Kinect for the Xbox 360 in November 4, 2010.
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