Dictionary of Computer and Internet Terms: XOR gate (exclusive-OR gate)
XOR gate (exclusive-OR gate)
a logic gate whose output is 1 when one but not both of its inputs is 1, as shown in this table:
The XOR function is interesting because if you XOR one bit pattern with another, you get an obscure pattern; but if you then XOR that pattern with one of the original patterns, you get the other original pattern. See Figure 307.
