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Evolution of Computers

The history of the vital tool.
by

Ernest Yang

on 21 April 2010

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Transcript of Evolution of Computers

History of Computers Introduction:

Computers have been, and still is, an essential tool to mankind. It does virtually anything, from creating spreadsheets and doing calculations, to playing videos and music.

But how were computers like in the past, when technology was not as advanced as it is now? How was it like when there was no such thing as Windows, or Mac OSX?

Find out in this presentation! Computer Timeline:

1936 - The first programmable computer, the Zuse Z1 computer, was invented



It was basically a calculator with limited programmability.


IT was a fairly large computer and weighed 1000 kg Reproduction of the Z1 Computer Timeline

1951 - The first commercial computer was invented The UNIVAC I was invented by J. Presper Eckert and John Mauchly. It was even used by the US Air Force! Unlike the present computers, the UNIVAC I was a behemoth of a computer, weighing in at 13 tons. It was also composed of , many different units. Model of the UNIVAC I Computer Timeline:

1981 - The IBM Personal Computer is introduced.


The IBM Personlal Computer, or the IBM 5150, is one of the "small" computers that exist in its era.

Others in clude the Apple II, Comodore PET, the Atari 8-Bit family, and the TRS-8s The IBM PC Computer Timeline:

1985 - Windows was introduced to the world.

Windows is now one of the most used operating systems in the world.

Desktop of Windows 7 The Present Computer:

Technology has advanced over the past years, and the computers of the present are much more compact and fast.

Computers are now much more widely-used than before. References:

http://inventors.about.com/library/blcoindex.htm
http://en.wikipedia.org/wiki/Z1_(computer)
http://en.wikipedia.org/wiki/File:Zuse_Z1.jpg
http://en.wikipedia.org/wiki/IBM_Personal_Computer
http://en.wikipedia.org/wiki/File:Ibm_pc_5150.jpg
http://en.wikipedia.org/wiki/Microsoft_Windows
http://upload.wikimedia.org/wikipedia/en/b/bd/Windows_7.png
http://en.wikipedia.org/wiki/UNIVAC_I
http://en.wikipedia.org/wiki/File:Univac-model.jpg
End
Full transcript