1. Computer Technology
Networks & Internet

2. Network
Computers and other devices (printers or scanners) that are connected, in order to share data and resources.

3. Client*
The software on a computer that allows the user to access the server
Server*
A computer that supplies its users with data usually with the use of a LAN

4. Broadband
A telecommunication signal of greater bandwidth than another standard signal
The broader the band, the greater the capacity for traffic

5. Wireless
The transfer of information over a distance through the AIR, not wires.
The distances involved may be short (a few feet as in TV remote control) or long (thousands of miles for radio).

6. Firewall* A security system that limits the exposure from hackers
Commonly used on local area networks that are connected to the internet.

7. Gateway
A device that serves as an entrance to another network.

8. IP Address
A unique identifying number assigned to each computer connected to a network or the Internet.
Example –

9. DNS - Domain Name System
A system for converting hostnames and domain names into IP addresses on the Internet or LAN.
For example, when a Web site address is given to the DNS by typing a URL in a browser, DNS servers return the IP address of the server associated with that name.

10. VPN - Virtual Private Network
A network that allows remote offices or individuals to securely connect to the network.
The process of securely connecting to a VPN is called “tunneling”

11. PSN - Packet-Switched Network
A communications network that uses packet switching technology.

12. Group Policy
Gives users administrative control over people and computers in the user's network.

13. LAN*- Local Area Network
Computer network that is located within a limited geographical area, such as a school or small business.
Example
Wahlquist’s Network

14. WAN - Wide Area Network *
Interconnected computers and peripherals that cover a large geographical area, such as multiple buildings.
Examples
The Weber School District Network
The Internet

15. AUP –Acceptable Use Policy*
Users agree to use the network properly. It keeps the network safe.
Examples – limits on web surfing or online chatting

16. Username – Login name Password
A unique name that identifies someone on a computer system
Password
A word, numbers and/or symbols, kept confidential.

17. Resources
Parsons, June Jamrich, and Dan Oja. Computer Concepts. Boston: Course Technology - Thompson Learning, Sept Sept 2013