Unit 1 - Lesson 3

Vocab:

• Protocol - For our purposes today a “protocol” is simply a set of rules about sending, receiving and interpreting binary messages.
• Bit We will call each element of a binary message a bit. “Bit” is short for binary digit. So for example if you have a binary message A B B A, we would say that is a 4-bit message.

The Internet: Wires, Cables, Wi-Fi video