1. BCT Section 1.2 Terms
Data Communications, Networks
1. Data Communications the technology that enables computers to communicate
with each other
2. Sender The computer that sends the messages
3. Receiver The computer that is sending the messages
4. Channel The media that carries the message
5. Protocol The rules that governs the orderly transfer of the data
sent
6. Network When computers are connected to other computers,
they can share info
7. Local Area Network Lan is a connection of computers that are close
8. Wide Area Network Wan is a connected of a wide distance
9. Central Processing Unit Cpu is the brain of the computer
10. Arithmetic/Logic Unit Alu is what does the math
11. Control Unit Controles the computer
12. Random Access Memory Ram is short
13. Read Only Memory Romis long
14. Basic Controllers The control of the transfer data
15. Serial & Parallel Ports Lets things be hooked to it
16. Universal Serial Bus A new standard that supports data transfer rates up to
12 million bits per second.
17. Motherboard The center that controls the computer
18. ASCII Code The most standardized coding system.

2. 19. Byte 8 bits or combinations of one and zeros represents a
character.
20. Megabyte 1 million bytes
21.Gigabyte 1 bilion bytes