odd tech notes

bits : smallest physical unit
BPS : bits per second.
byte : 8 bits. a set of bits that represents character

LAN : Local Area Network
- architectures : peer-peer v. centralized.
- software : novell, windows, unix
- hardware : server plus micro boards
- media : wire or wireless

Five Levels of Hardware
- Networks
- Computer Systems
- Devices
- Boards
- Chips

Platforms
- Mainframes (supercomputers)
- Minicomputers
- Microcomputers (workstations, servers, desktops, portables, appliances, embedded, ...)