## 4.4 Outline

- Definition
- Base two
- two-state device
- base 2 to base 10
- base 10 to base 2

- ASCII code
- bit
- byte
- table of ASCII code

- Binary arithmetic

## 4.4 Essential Ideas

This section is an extension of the last section with focus on the binary numeration system

which can give us a little insight in how computers might be programmed.