XOR

Short for exclusive or.

• IPA^(key): /ˈɛks ˈɔɹ/

XOR (plural XORs)

1. (logic) The connective "exclusive or".

   The XOR of (0,0) is 0; (0,1) is 1; (1,0) is 1; and (1,1) is 0.

2. (electrical engineering) A logic gate that implements "exclusive or".
3. (programming) The symbolic representation that implements "exclusive or".

   XOR can be used to add bits without carrying.

• Boolean variables and states (AND, OR, NOT, TRUE, FALSE etc.) are commonly written in all uppercase in order to distinguish them from the ordinary uses of the words.

• exclusive OR
• XOR gate
• ex-or
• NOT equivalence

• (electrical engineering): XNOR

XOR (third-person singular simple present XORs, present participle XORing, simple past and past participle XORed)

1. (transitive, computing) To perform the XOR function upon.
   • 1989, IEEE Communications Society, Conference Record

     The XORed sequence has the same period as the sequence that is not XORed.

   • 1998, Stafford Tavares, Henk Meijer, Selected Areas in Cryptography

     XORing different constants into the four s-boxes in such a cipher has exactly the same effect as XORing a single constant into each round function output.

• ⊻

• AND
• OR
• NAND
• NOR
• NOT
• XNOR

• rox

XOR m (plural XORs)

1. Alternative spelling of xor