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Blaise Pascal
He created an Arithmetic machine.
Used to count money. During the next ten years, pascal made fifty more machines. -
Leibnitz
He created the Step recnoker.
It did more calculations than pascal's machine.Interestingly, this machine only uses two digits 0 and 1 -
Charles Babbage
He created the Difference Engine
It did very difficult calculations automatically -
Alan Turing
He created Bombe.
This machine could read and understand all the German messages which used the enigma code. -
Colossus
Workers of bletchley park created the colossus.
This was one of the world's first electronic computers which could read and unsderstand programs.Colossus got its name because of its size, it was as big as a room -
IBM
They created the 610 Auto point.
They said that it was the " First personal computer". But it was not like the computers that millions of people have in their homes today.It was large and expensive. -
Bill Gates
MS DOS.
He created an Operating System for IBM PC's. It was not very easy to use but, it was a big succes. -
Apple
Macintosh.
BIll Gates and Microsoft helped to write the operating system of this computer. It was easier than MS-DOS, because there were pictures that showed you what to do instead of dificult instruccions. -
TIm Berners -Lee
He invented the "Web".
With the Web it was much easier to find information on the Internet, and to move from one part of Internet to another. -
Windows 95
In the 1990s, Microsoft became even larger. The new operating system came with a piece of software that let people use the Internet.
