1. BCT Section 1.2 Terms
Data Communications, Networks
1. Data Technology that enables computers to communicate using
Communications text, numeric, voice or video data
2. Sender Computer that is sending the message
3. Receiver Computer that is receiving the message
4. Channel The media that carries the message
5. Protocol The rules that govern the orderly transfer of the data sent
Computer that are connected to other computers and can
6. Network
share information
7. Local Area Computers connected to each other in a relatively close
Network location
8. Wide Area
LAN that is expanded to cover a wide area
Network
9. Central Processing The brains of the computer that receives its information
Unit from the software
10. Arithmetic/Logic
performs arithmetic computations and logical operations
Unit
Uses programming instructions, it controls the flow of
11. Control Unit information through the processor by controlling what
happens inside the processor.
12. Random Access
Memory on the motherboard that is short term
Memory
13. Read Only
Memory that is long term
Memory
a device that controls the transfer of data from the
14. Basic Controllers
computer to a peripheral device and vice versa
15. Serial & Parallel
used to connect our peripheral devices to the computer
Ports
16. Universal Serial a new standard that supports data transfer rates of up to 12
Bus million bits per second.
a circuit board that contains electronic components that
17. Motherboard
contains many integral components.
the most popular and widely used standardized coding
18. ASCII Code
system
eight bits or combinations of ones and zeros represent a
19. Byte
character.
20. Megabyte 1 million bytes
Gigabyte one billion bytes