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.

Binary is a number system that only uses two digits, \(0\) and \(1\). It was invented by German mathematician Gottfried Wilhelm Leibniz. Binary code is used widely in computer programming, so it is ...

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 ...