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15 cards from this deck
Perform arithmetic operations like addition
Charles Babbage, 1822
First mechanical computer
Punched cards
General-purpose computing device
Ada Lovelace
Enchantress of Numbers
Theoretical model of computation
Tape, Head, State Register, Instructions
1930s-1950s
Electromechanical relays
1947
Semiconductor device
CPUs
Wide-area packet-switched network
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