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The abacus (seen in the photo), the calculator and the tablet machine.
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The computer made by Charles Babbage is not what people would consider a computer is today but his invention led to the computers we all use today.
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The first programmable computer was invented by a German man called Konrad Zuse. It was invented between 1936-1938 and was given the name the Z1.
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The first programmable electric computer was named the colossus and was invented by Thomas Flowers
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The first digital computer was invented by John Vincent Atanasoff and Cliff Berry. While it was invented in 1943 the computer wasn't made until 1947
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Created by MIT
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Titled the programma 101, it was sold to the public at the small price of $3,200
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The Altair 8800 was invented by Ed Roberts and was sold to the public at $750
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The first Apple computer was made in 1976 and was sold for $666. It had 4 kilobytes of memory but could be extended to 8 kilobytes.
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The Apple II was released in 1977 and could display up to 6 colours at a time
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The Apple III was released in 1980
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Titled the Osbourne I this computer was made in 1981 and had a 5 inch screen, 64 kilobytes of memory and weighed 12 kilograms
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The first iMac was released in 1998 and had at most one gigabyte of memory
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The iMac released in 2007 had a maximum of 4gbs of ram/memory
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8Gbs of ram
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24 inch screen and a maximum of 64Gbs of ram
