Figure 6-23.—Logic operations comparison chart.
The NOR operation is simply a combination of an
The NAND operation is a combined operation,
OR operation and a NOT operation. In the truth table,
comprising an AND and a NOT operation.
the OR operation output is indicated between the
The INHIBIT operation is also a combination
input and output columns. The switching circuit and
AND and NOT operation, but the NOT operation is
the block diagram also indicate the OR operation.
placed in one of the input legs. In the example shown,
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