This document defines key terms related to data communications and networks, including sender, receiver, channel, protocol, network, local area network, wide area network, central processing unit, arithmetic/logic unit, control unit, random access memory, read only memory, basic controllers, serial & parallel ports, universal serial bus, motherboard, ASCII code, byte, megabyte, and gigabyte.

1. BCT Section 1.2 Terms
Data Communications, Networks
1. Data Communications
2. Sender
3. Receiver
4. Channel
5. Protocol
6. Network
7. Local Area Network
8. Wide Area Network
9. Central Processing Unit
10. Arithmetic/Logic Unit
11. Control Unit
12. Random Access Memory
13. Read Only Memory
14. Basic Controllers
15. Serial & Parallel Ports
16. Universal Serial Bus
17. Motherboard
18. ASCII Code

2. 19. Byte
20. Megabyte
Gigabyte