A light and accessible introduction to the binary number system, showing how computers represent numbers using just zeros and ones.

This chapter begins with an introduction to arithmetic operations in binary, octal, and hexadecimal numbers. The tens-complement and nines-complements in the decimal system and the twos-complement and ...

Decimal: The decimal system has a base (or radix) of 10. Therefore it uses ten different symbols to represent numbers. Binary: The binary system has a base of 2 and so uses only two different symbols.

One of the things I love to do is teach people about computers, especially how we can use them to represent and manipulate different types of numbers (I really need to get out more). For the purposes ...