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Exclusive-OR Gate

The exclusive-OR gate (EOR or XOR) is a very useful two-input gate. The schematic symbol and truth table are shown in figure 7.3.

 
Figure 7.3:  The schematic symbol for the exclusive-OR gate (EOR or XOR) and its truth table.

From the truth table

and we can draw the mechanization directly from the truth table (figure 7.4).

 
Figure 7.4:  A mechanization of the exclusive-OR directly from the truth table.



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