An 8-bit field can represent 28 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 = 256 different patterns of 0s and 1s. For unsigned integers, ...
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 ...