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 computer, all data are represented as binary digits (bits), and eight binary digits make up one byte. For example, the upper case letter A is 0101001. Numbers however can take several forms.

The Babylonians used separate combinations of two symbols to represent every single number from 1 to 59. That sounds pretty confusing, doesn’t it? Our decimal system seems simple by comparison, with ...