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Thomas Alva Edison was named as the "official" creator of the electricity, by switching on the first light bulb.
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Vacuum tubes were created by John Ambrose Fleming to create the ENIAC
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The first generation computers used vaccum tubes, and they where huge and heavy
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ENIAC, or the Electronic Numerical Integrator And Computer, was the first programmable digital computer -
Transistors were created by John Bardeen and Walter Brattain to make a smaller semiconductors -
The second generation used transistors. Thanks to transistors, computers were faster and cheaper.
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The TRADIC, or the TRansistorized Airborne DIgital Computer was one of the first computer that used the transistor -
Jack Kilby, Robert Noyce, Frank Wanlass and Edward Keonjian created The IC, or the integrated circuit. The IC was a chip a little bit smaller than the transistor -
The third generation used IC, and thanks to it, the computer used less electricity and had fewer mistakes
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The fourth generation computers use microprocessers to work. The computers are smaller, they produce less heat, and they can be portable
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The first laptop was the Osborn I, made by Adam Osborne -
The first touchscreen computer was created by HP, and its name was HP 150 -
Scientists are developing some artificial intelligence in computers or using holograms.
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This is a 3D model sci-fi glassy computer that people think will evolve to it
