One of the things I love to do is teach people about computers, especially how we can use them to represent and manipulate different types of numbers (I really need to get out more). For the purposes ...

My last column introduced the concepts underlying BCD (binary-coded-decimal) representations. In particular, we considered unsigned versus 10s-complement versions of BCD numbers. In this column we are ...

Editor's Note: This is the first article in a two-part series on decimal representations and decimal arithmetic in general, and on Binary Coded Decimal (BCD) in particular. In this first installment, ...

is numeric data that is stored in binary form. Binary numbers have a base of two and are represented with the digits 0 and 1. are binary decimal numbers that are encoded by using each byte to ...

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 ...