A system that helps you find files located anywhere on the Internet.
After Archie locates the file, you can use FTP to get it. Archie
is both a program and a system of server computers that contain indexes
Communication that occurs at different times, between two or more
individuals, in contrast to Synchronous communication. For e.g. e-mails,
some conferencing systems, bulletin boards.
Verifying the identity of a person or computer process.
A cgi script (Common Gateway Interface) is a program that is is run
on a web server, triggered by input from a browser. The gateway script
is usually a link between the server and some other program running on
the system. (e.g. Cgi scripts are used to process a form information.)
A software program that is used to contact and obtain data from a
server software program on another computer, often across a great
distance. Each client program is designed to work with one or more types
of server programs.
When these letters appear in lowercase type at the end of an
address, they indicate that the host computer is run by a company
rather than a university or government agency. It also means that the
host computer is most likely located in the United States.
An online information provider (sometimes abbreviated as CIS) that
gives some Internet access. If your CompuServe account number is
7123,456 your Internet address will be [email protected]. Notice
that the comma in the CompuServe address becomes a period in the
A mechanism for server-side connections to store and retrieve
information on the client side.
Different computing systems being able to share data.
A virtual universe of computers, programs, and data.
Forms add extra interactivity to web sites. Questionaires can be
created, that include text areas, check boxes and radio buttons which
are then sent by the viewer to a specified mail box, usually the manager
of the web site.
This is an application that adds extra functionality to web
documents. e.g. If you download a movie clip the web browser is unable
to play the file but it can boot up a helper application, in this case
it may be 'Fast Player' (A movie player application).
to allow dynamic programs to run and interact with your computer, where
straight HTML is primarily linear information downloaded to your
computer for static display. Java is a product created by Sun
Microsystems. Watch for many new web sites to start incorporating
limitless graphics, sound, motion, programs, etc..
Joint Photographic Experts Group. A group that has defined a
compression scheme that reduces the size of image files by up to 20
times at the cost of slightly reduced image quality.
An FTP server that provides copies of the same files as another
server. Some FTP servers are so popular that other servers have been set
up to mirror them and spread the FTP load to more than one site.
MOdulator, DEModulator. A device that you connect to your computer
and to a phone line to allow the computer to talk to other computers
through the phone system. Modems convert the computer's digital signals
into analog waves that can be transmitted over standard voice telephone
lines. Modem speeds are measured in bits per second (bps)--also
sometimes expressed as Kilobits (thousands of bits) per second. For
example, 28.8 Kbps and 28,800 bps are the same thing--28,800 bits per
A Windows-based, WinSock-compliant program that lets you access
information on the World Wide Web. Microsoft's version of Mosaic is
called The Internet.