Term
|
Definition
| programs that download on your computer when you install a freeware program, game, or utility. enables sponsored advertisements to appear in a section of your browser window or a pop-up |
|
|
Term
|
Definition
| software programs that go out and grab the latest update of web material (podcasts) |
|
|
Term
|
Definition
| words used to refine logical searches. for internet searches these words--AND, NOT and OR-- describe the relationships between keywords in the search |
|
|
Term
|
Definition
| high-speed internet connections, including cable, satellite, and digital subscriber line |
|
|
Term
| cable Internet connection |
|
Definition
| data transmission line that ransmits data at high speeds along coaxial or fiber-optic cable |
|
|
Term
|
Definition
| device that enables a computer to send data over cable lines. a modem modulates and demodulates the signal into digital data and back again |
|
|
Term
|
Definition
| a computer that requests information from a server in a client/server network (such as your computer when you are connected to the Internet) |
|
|
Term
|
Definition
| a network that consists of client and server computers, in which the clients make requests of the server and the server returns the response |
|
|
Term
|
Definition
| small text files that some Web sites automatically store on a client computer's hard drive when a user visits the site |
|
|
Term
|
Definition
| max. speed at which data can be transmitted between two nodes on a network, usually measured in meagabites per second |
|
|
Term
|
Definition
| part of a Uniform Resource Locator (URL). domain names consist of 2 parts: site's host and a three-letter suffix that indicates the type of organization (ex: popsci.com) |
|
|
Term
|
Definition
| main pathway of high-speed communications lines over which all Internet traffic flows |
|
|
Term
| Internet Protocol Address (IP) |
|
Definition
| means by which all computers connected to the internet identify each other. consists of a unique set of 4 numbers (123.45.178.91) |
|
|
Term
| internet service providers (ISPs) |
|
Definition
| companies that connect individuals, groups, and other companies to the internet |
|
|
Term
|
Definition
| program created by the US govt., objective of which is to fund the research and development of cutting-edge networking technologies. Major goals of the program are the development of enhanced wireless technologies and increased network throughput |
|
|
Term
|
Definition
| software that is intended to render a system temporarily or permanently useless or to penetrate a computer system completely for purposes of info. gathering. examples include spyware, viruses, worms, and Trojan horses |
|
|
Term
|
Definition
| process of sending email messages to lure internet users into revealing personal info. such as credit card or social security numbers |
|
|
Term
| spider (or crawler or bot) |
|
Definition
| a program that constantly collects info. on the Web, following links in Web sites and reading web pages. spiders get their name bc they crawl over the wbe using multiple 'legs' to visit many sites simultaneously |
|
|
Term
|
Definition
| a protocol used to upload and download files from one computer to another over the Internet |
|
|
Term
|
Definition
| an ongoing project sponsored by more than 200 universities to develop new Internet technologies and disseminate them as rapidly as possible to rest of Internet community. Internet2 backbone supports high-speed communications |
|
|
Term
|
Definition
| type of Web site that allows anyone visiting the site to change its content by adding, removing, or editing the content |
|
|
Term
| Uniform Resource Locator (URL) |
|
Definition
| web site's unique address |
|
|
