30 dic 1936 año - Model K
Descripción:
 George Stibitz, uses relays for a "demonstration adder" which is a fancy term for an old calculator or digital calculating machine. He was the first person to use binary logic for a computer's design, this resulted in the construction of the Model I Complex Calculator in 1939 
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fecha:
30 dic 1936 año
Ahora mismo
 ~ 88 years ago