Ever glanced at the serial number on your dollar bills? Most of us don't think twice about those dark green digits on our cash. Here's something that might make you take a second look: some bills with ...

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.

There are different ways to represent a number. The four commonly associated with modern computers and digital electronics are the decimal, binary, octal, and hexadecimal. This is the most commonly ...