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270
Abucus
2700–2300 BCE -
Calculating device
The Pasaline -
Card Count
Counting with cards that had holes in them while weaving -
Mark 1
first computer like machine by IBM
Was 52 feet long weighed 50 tons and had 750000 parts -
ENIAC
Contained 18,000 vacuum tubes
Weighed 30 tons -
UNIVAC
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CPU
The microprocessor, on a single chip -
Apple computer
Stephen Wozniak and Steven Jobs in their garage -
PC Advances
More affordable -
PC
First PC introduced by IBM -
Census Data
19th century census punch card to store data
