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2700–2300 BCE
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The Pasaline
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Counting with cards that had holes in them while weaving
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first computer like machine by IBM
Was 52 feet long weighed 50 tons and had 750000 parts -
Contained 18,000 vacuum tubes
Weighed 30 tons -
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The microprocessor, on a single chip
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Stephen Wozniak and Steven Jobs in their garage
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More affordable
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First PC introduced by IBM
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19th century census punch card to store data