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CommonMan said:
Right. . . what's a qubit? (Old skool Bill Cosby reference)

A qubit is a "quantum bit". A regular bit can only exist as '1' or '0' at any given time. A Qubit can exist as '1', '0', both, or neither at the same time.

It means that the processes that can be done are risen exponentially. It is a great advantage over regular bits.

 

Or did I just explain something you know and Bill Cosby actually made a reference to Qubits? lol