uts: <tt>X</tt><br>
Definition:</p><pre>111=0
???=1
</pre>
<p>
If all three inputs are 1, the output is 0.  Otherwise, it's 1.
</p><p>
</p><h3>Full adder:</h3>
<p>
Inputs: <tt>A,B,C</tt><br>
Outputs: <tt>S,C</tt><br>
Definition:</p><pre>111=11
110=10
011=10
101=10
100=01
010=01
001=01
000=00
</pre>
<h3>SR Latch:</h3>
<p>
Inputs: <tt>S,R</tt><br>
Outputs: <tt>Q,/Q</tt><br>
Definition:</p><pre>?? 00=10
10 ??=10
01 ??=01
?? AB=AB
</pre>
The input pattern (the left side of the equals sign) matches S, R, Q, and
