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[[File:Adderlogic.gif]]
From this chip, we would like to will make a an half adder. It is one of the basic component of everyCPUevery CPU as it is adding two bits. It's use is to have two bits. They represent a state either 1 or 0. We will add them with the following scheme :
<pre>
1 + 1 = 10
^ this bit is the least significant bit. We call it C0 later on.
</pre>
Just follow theschema. You will need two chip to implement the half adder.
[[File:Halfadder.gif]]
== What is happening there ? ==
