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Difference engine
the machine babbage made consisted of 8,000 PARTS WOW
measuring 11 feet long. He never saw his machine in action.
In 2008 their was one put in the California muesem -
PC
Personal computer use was spreadsheets,database web browsers
etc -
PDA
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Census Counting Machine
A machine made by Herman Hollerith for the use of census tabulation
