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Difference Engine
Charles Babbage designed the 1st computing machine with help from Ada Lovelace, he never completed a functioning full scale version.
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Analytical Engine
Proposed by Charles Babbage, it had an arithmetic logic unit, flow control, and integrated memory. He never created it, but his son created a portion of the machine in 1910.
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Z1
Konrad Zuse created an electro-mechanical binary programmable computer in his parent's living room. He worked on it from 1936 to 1938.
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Colossus
The Colossus was the 1st programmable computer. It was designed by Tommy Flowers to originally decode encrypted German messages during WWII.
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ENIAC
Invented by J. Presper Eckert and John Mauchly. It took up 1800 square feet and is considered the 1st functioning digital computer.
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Electronic Controls Company
1st computer company founded by J. Presper Eckert and John Mauchly.
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EDSAC
1st stored program computer and performed its 1st calculation on May 6th 1949
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Whirlwind Machine
1st digital computer with RAM and real time graphics. It was developed by MIT originally to be a flight simulator at the request of the US Military.
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HP 9100A
The 1st mass-marketed and desktop computer. It was developed and marketed by Hewlett Packard.
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IBM 5100
The IBM 5100 was the 1st portable computer. It weighed 55 pounds. It was sold for $1795.
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Apple 1
The Apple 1 was the 1st computer developed and sold by the Apple company. It was developed by Steve Wozniak and sold for $666.66. The Apple 1 included a fully functioning circuit board, but needed a case, keyboard, power supply and a display to function fully.
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IBM PC
The IBM PC was the 1st pesronal computer marketed by IBM. It had 16KB of memory which was expandable to 256KB.
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