Terms
Associated with Internet Technology
(Terms are in logical rather than alphebetical order.)

WWW
World Wide Web; the network of computers that serves and displays information about all types of topics throughout the world; files are served as html-format text files, or various types of image, sound and animation files; also known as the Web, and the Net; See also.

Internet
The network of cables, routers, switches and controllers that serves as the hardware backbone linking computers of many types throughout the world; the Web is only one application that depends on the Internet for file transfers; others include email, EDI, FTP, etc. See also.

html
Hypertext Markup Language; text code entered into ascii text files that control the format and layout of the text files by browser applications; See also.

hypertext
Text that is coded using html (hypertext markup language) so that an action is performed when a block of text (referred to as a link) is activated (usually by clicking on the link); the hypertext may jump to another file on the same or another computer, for example. See also.

gif
Graphic Image Format; file compression protocol that involves indexing colors and shades of gray in an image;

jpeg

The compression technology specified by the Joint Photographic Experts Group; JPEGs involve differing degrees of compression that result in larger or smaller files sizes;

helper application

Software application (usually a freeware or run-time version of an application) that can be linked from the browser to display a proprietary file format. For example, PowerPoint Viewer can be specified as a helper to enable viewing PowerPoint presentations, and Acrobat Reader can be specified as a helper to view and print Adobe Acrobat pdf files;

FTP

File Transfer Protocol; computer application which enables moving files from one computer to another, regardless of operating system, via the Internet; enables moving a file from a PC to a mainframe, for example.

SLIP

Serial Line Internet Protocol; computer application that enables a client computer to connect to the Internet via a phone modem by routing through a "SLIP server", a computer having direct Internet access;

PPP

Point to Point protocol; computer application that enables a client computer to connect to the Internet via a phone modem by routing through a "PPP server", a computer having direct Internet access;

Internet service provider

ISP; an entity that enables connection to the Internet via a SLIP, PPP or ISDN server; ISPs usually also provide email accounts, Web site hosting, and a variety of other Internet and Web services

browser

A computer application that downloads and displays files transferred from and HTTP server, including text, image, sound, and animation files; most modern browsers also download files via FTP and serve as email and newsgroup readers; See also.

Netscape

Generic name for the browser produced by the Netscape Corporation; to include version 3.0x, Netscape Navigator, and 4.0x, Netscape Communicator; versions available for most operating systems; free to educational and government entities; low cost to public

Internet Explorer

The web browser produced by Microsoft, Inc., with versions available for most operating systems; free to all users;

Java

Computer application (a virtual scripting language) that facilitates functionality and page layout within web browsers, including moving text, animated objects, and interactive dialog between browser and server;

cgi

Common Gateway Interface; a computer script that allows information exchange between computers of different operating systems; examples include passing information from fill-in forms to databases and from databases back to web browsers, emailing information from fill-in forms, enabling guest registers, serving as page counters, executing keyword searches, etc.

server

Computer that resides on the Internet, and transfers files to the client upon request; See also.

HTTP

Hypertext Transfer Protocol; computer application that supports file transferral from a server archive upon receipt of a request from a client's browser; See also.

image map

Text file that provides hypertext "hot spots" in a GIF or JPEG file; when a mouse click is executed when the cursor is over one of the mapped areas, the browser sends an http request to a server;

Ethernet

High speed communications network that connects to the Internet, or connects between computers in a LAN;

client

Computer or web browser thereupon that requests files from a server;

link

Link, or hyperlink, is a block of text (or one letter or word) that is html encoded to perform an action when the mouse is clicked over it; for example, the link may jump to another file, another part of the same file, or to a file on a different computer

URL

Uniform Resource Locator, the unique address given to each file on the World Wide Web, usually of the form

http://server.name.dom/filename.html


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