It’s easier to remember it as a bit inverter, or as boolean “not equal”, IMO. And “exclusive or” pretty much already spells out what it does. Regarding the fir

It’s easier to remember it as a bit inverter, or as boolean “not equal”, IMO. And “exclusive or” pretty much already spells out what it does. Regarding the first one I might be biased by learning XOR from https://www.chiark.greenend.org.uk/~sgtatham/quasiblog/xor/#pixels https://www.chiark.greenend.org.uk/~sgtatham/quasiblog/xor/#..., however.