On the off chance you are just joining the party, you might want to visit the earlier installments of this mega-mini-series. In a crunchy nutshell, in Part 1, we introduced unsigned and signed ...

In the first column of this series, I introduced the concepts underlying BCD (binary-coded-decimal) representations. In my second column I discussed how we go about adding and subtracting unsigned BCD ...

We worked our way up to logic gate implementations for half adders and full adders, as illustrated below. In closing, I asked you to start thinking about how we could use these functions to add two ...