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Module by: Nosisa Ngantweni. E-mail the author

Summary: For grade 12 to understand ICT Teminology better.

ISP (Internet Service Provider )

A company that sells Internet connections via modem (examples: aol, Mindspring - thousands of ISPs to choose from; not easy to evaluate). Faster, more expensive Internet connectivity is available via cable or DSL


Asymmetric Digital Subscriber Line (ADSL)

is a form of DSL, a data communications technology that enables faster data transmission over coppertelephone lines than a conventional voicebandmodem can provide. It does this by utilizing frequencies that are not used by a voice telephone call. A splitter - or microfilter - allows a single telephone connection to be used for both ADSL service and voice calls at the same time. ADSL can generally only be distributed over short distances from the central office, typically less than 4 kilometers (2 mi), [2] but has been known to exceed 8 kilometers (5 mi) if the originally laid wire gauge allows for farther distribution.


A generic name for digital lines that are provided by telephone companies to their local subscribers and that carry data at high speeds)


Uniform Resource Locator, the unique address which identifies a resource on the Internet for routing purposes, such as

Anatomy of a URL:

Table 1
Type of file (could say ftp:// or telnet://) Domain name (computer file is on and its location on the Internet) Path or directory on the computer to this file Name of file, and its file extension (usually ending in .html or .htm)
http:// TeachingLib/Guides/Internet/ FindInfo.html


A system of Internet servers that supports hypertext to access several Internet protocols on a single interface. The World Wide Web is often abbreviated as the web or www.

WEBSITEA computer connected to the internet that maintains a series of web pages on the World Wide Web; "the Israeli web site was damaged by hostile hackers"WEB PAGEA document connected to the World Wide Web and viewable by anyone connected to the internet who has a web browser. BROWSERS

Software programs that enable you to view web pages and other documents on the Internet. They "translate" HTML-encoded files into the text, images, sounds, and other features you see. The most commonly used browsers are Microsoft Internet Explorer (often called IE), Firefox, Mozilla, Safari, Opera, and Chrome.


To browse through a page, exploring what's there and seeing where the links take you, is a bit like window shopping. When you browse, you have to guess which words and links on the page pertain to your interests. The opposite of browsing is searchingSEARCH ENGINEA computer program that retrieves documents or files or data from a database or from a computer network (especially from the internet)

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