Address book

Store the email addresses of the people you contact on-line.

Analogue

A continuous signal,like the signals that is sent over the phone lines.

Attachment

A separate file that is sent with an email message.

Backbone

The main high-speed physical network that connects other networks to and from the internet.

Bandwidth

A measure of the amount of data that can be transmitted in a given period of time, defined in bps.

Bit

The smallest measurement of computer data, a 1 or a 0.

Bounce

When you send an email message to an invalid address, the message will bounce back to you.Return to sender - address unknown.

Browser

Enable you to view and interact with web pages.

Byte

The total of 8 bits, measurement of computer data.(11001101)

Cache

The temporary store of files used by your browser to speed up the loading of web pages. The content such as text, graphics or sound are stored on your computer's hard disk and memory.

Compression Programs

Enable you to press several files into one smaller file (usually with a .zip suffix.

Cookie

Data that a web server gives to a browser the first time the user visits the site. The server saves the information the cookie contains about the user, the browser does the same.

Dial-up Service

A temporary connection to your ISP, usually through a modem.

Digital

A signal made up of 1's and 0's.

DNS

Domain Name Server - Converts an address such as www.who.com into an IP (Internet Protocol) number such as 196.74.234.3 .

Freeware

Software for you to download and use, free of charge.

Forward

Pass a message on to another internet user.

Flash Rom

A Read Only Memory, that can be written to in order to upgrade its capabilities.Such as the Flash ROM of some modems that can be upgraded to meet the V.90 standard.

FTP

File Transfer Protocol - A way of uploading and downloading files from the internet.

GIF

Graphics Interchange Format - A graphics file compression, usually used for line art and simple graphics.

HTTP

HyperText Transfer Protocol - A set of standards that lets web browsers and web servers exchange data.(Used by browsers to download pages from web servers)

HTML

HyperText Markup Language - The universal language in which all web pages are written.

ISP

Internet Service Provider - A company that provides a connection to the internet for you.

ISDN

Integrated Services Digital Network - A set of standards used for digital phone lines. (The use of digital lines instead of analogue phone lines)

Java

A Programming language developed by Sun Microsystems.

JPEG

Joint Photographic Experts Group - A graphics file compression, usually used for photos.

Leased line

A permanent phone line connection between two points on the internet, usually a company would have a permanent connection to the internet(company to ISP).

Mail server

Hardware and Software used by an ISP to send and receive email, also used to store the email.

Mailbox

This is where your messages are saved by your ISP, until you decide to download them into your In-box onto your computer.

MIME

Multipurpose Internet Mail Extensions - E - mail programs use this MIME standard to encode and decode attachments.

Modem

Modulator/Demodulator - Converts digital data of computers into analogue signals to send over the telephone lines.

Netiquette

Proper way to behave on the internet.

Plug-in

A programe that extends the features of a web browser, enable it to play animations or video clips.

POP

Post Office Protocol - The protocol used by email programs to retrieve messages from the mail server.

PoP

Point of Presence - Areas where you can dial into to connect to the internet.

PPP

Point to Point Protocol - A communications protocol that lets users directly access the internet via modem.

Proxy Server

A Proxy server stores the web pages you have visited, when you or someone else whants to visit that pages again, you would download it from the proxy and not from the web, makes things faster.

Secure Server

A server set up to encrypt sensitive information such as credit card details.

Server

A computer which provides information to other computers.

Shareware

Programes that you can try for free, for a limited period or with certian features disabled, before paying a registration fee.

SMTP

Simple Mail Transfer Protocol - A standard protocol for exchanging email on the internet.

Spamming

The sending of large quantities of junk email messages.

TCP/IP

Transmission Control Protocol/Internet Protocol - A set of protocols that connect all kinds of computers, from Macintoshes to PC's to Unix machines.

URL

Uniform Resource Locator - The name or address of a web page available over the internet.

VRML

Virtual Reality Modelling Language - A programming language used to create 3D objects.

WWW

World Wide Web - A graphical interface for the internet.

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