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non-electronic digital systems based on manipulating beans according to simple logical rules.
inspired by the beans computer, but going at a lower level.
the computadora de papel is also related as a beans-based, "higher level" computer.
we have only two classes of beans: black (1), and non-black (0).
these tables correspond to the NOT and NOR logical operations.
they show their possible inputs at their left, and their corresponding outputs to the right.
photo of the NOT and NOR truth tables, composed of beans in a greenish surface
NOT: the output is the opposite of the input. (table at the top left)
NOR: the output is black only when none of the inputs are black. in any other case, the output is non-black. (table at the center) nor
if you look closely you'll see that NOT can be defined the same way as NOR.
by combining multiple instances of this logic operation, we could build any possible digital behavior.
most recent update on: 12021-09-09
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