XOR

The XOR function performs what is called "exclusive OR", in contrast to the "inclusive OR" performed by the OR function. Whereas the OR function returns true if any input is TRUE, XOR only returns TRUE in specific cases. In the simplest case, with just two logical statements, XOR returns TRUE only if one of the logicals is TRUE. If both values are TRUE, XOR returns FALSE. The concept of exclusive OR is more common in the world of programming. In plain English, you can think of a sentence like this: "I'm either going to visit New York or San Francisco this summer". Nothing prevents the speaker from visiting both, but the meaning is clearly that they plan to visit only one or the other. If they visit one or the other, the original statement is TRUE. If they visit neither or both, the origina