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 ...

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 ...

Beginners often have difficulty reading the value of –2’s complement number; here’s a simple technique that may help. In my previous column, I introduced the SANX-I Microcomputer, whose goal is to ...