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, ...

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 ...

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 ...