Yesterday I asked a similar question and realized I still don't quite get it, so I'm sorry about that.
Here is explicitly what I mean:
This is a part of a full adder. The first row in which
carry in equals
1 makes sense to me, because the row before that,
carry out equals
1. But why does
carry in equal
1 the second time, when on the previous row
carry out is equal to
Would really appreciate some simple explanation.
Thanks in advance!