Comment: A Transistor just has a "gate"

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In reply to comment: yes and no (see in situ)

A Transistor just has a "gate"

the 0"s and 1 were the same as NO and NC.
(normally open and normally closed)
the "gate" allowed for the elimination of one wire.
the common wire.

there is a VERY large difference between knowing how something works... and how to make it work.

peace.