https://dev-wiki.digilent.com/ 2026-10-25T15:02:45+00:00 https://dev-wiki.digilent.com/ https://dev-wiki.digilent.com/ttps://dev-wiki.digilent.com/lib/tpl/digilent-tpl/images/favicon.ico text/html 2022-10-04T11:38:45+00:00 Anonymous (anonymous@undisclosed.example.com) https://dev-wiki.digilent.com/learn/fundamentals/digital-logic/xor-and-xnor/start?rev=1664883525&do=diff XOR and XNOR The Exclusive OR (or XOR) relationship $F = A\oplus B$ is defined by the truth tables shown in Fig. 1 and the equivalent two-variable logic expressions $F_{SOP}=A\cdot \overline{B} + \overline{A}\cdot B$ and $F_{POS} = (A+B)\cdot (\overline{A} + \overline{B})$. [Figure 1. XOR truth table.] The XOR function is frequently used in digital circuits to manipulate signals that represent binary numbers—these circuits will be presented in a later module. For now, note the XOR output is a…