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Z4 Commercial Computer is created
In 1942, Konrad Zuse begin working on the Z4 that later became the first commercial computer. The computer was sold to Eduard Stiefel, a mathematician of the Swiss Federal Institute of Technology Zurich on July 12, 1950. -
The first digital computer
The ENIAC was invented by J. Presper Eckert and John Mauchly at the University of Pennsylvania and began construction in 1943 and was not completed until 1946. It was the first thing that could be considered a digital computer by modern standards. -
Whirlwind Machine is the first computer with RAM
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First mass-market computer is developed
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Acorn is created as the first IBM personal computer
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Adam Osborne create the Osborne 1 the first true laptop
