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.

is numeric data that is stored in binary form. Binary numbers have a base of two and are represented with the digits 0 and 1. are binary decimal numbers that are encoded by using each byte to ...

The second technique it to start with -128 in the leftmost column instead of starting with positive 128. This is how the computer would handle a Two's complement number. The most significant bit ...

A signed integer is a bit used to represent the sign of the number. The left-most value in a binary number is called the most significant bit (MSB). It holds the highest place value and is the ‘sign’ ...

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 ...