(28.218.81608.81609.81613.9493.84290.83053.84395)
Because we have used electronic to control computers,and binary only has two situations.It is convinient for us to input or output data by turning off or turning up electronic as โ0โ and โ1โ.Though it will invade lots of place,it is a really useful way to make computers.
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(28.218.81608.81609.81613.9493.84290.83053.84395)








