Adware
Advertising program often installed along with other programs

·       Attachment
A file attached to an e-mail message for sending between computers

·       Blog
Web log. Personal web page where the author can post their views and experiences and receive comments.

·       BMP
Bitmap. The most common graphics file type for Windows PCs

·       Bookmarks
List of your favorite web sites

·       Browser
Software that displays web pages such as Internet Explorer and Firefox

·       Compression
A method of reducing the storage space a file takes up. Files must be decompressed to be used again

·       Cookie
Data that tracks visits to web sites and remembers user preferences

·       Crash
Occurs when a program causes your computer to stop responding

·       Demo
Free demonstration version of software that allows you to try before you buy

·       Directory
An index of web site links arranged in categories

·       Disk Space
The size of the area on the hard disk where files can be stored

·       Domain name
URL or Address of a web site on the Internet

·       Download
Transfer a file from another computer to your own

·       Driver
Software required for Windows to use a piece of hardware such as a graphics card

·       E-mail
Electronic mail passed between computers

·       Favorites
List of your favorite web sites

·       Firewall
Program or device that blocks or allows Internet access to a network or a PC

·       Flash
Software to create and play web site animations

·       Font
Text of a particular size and style

·       Freeware
Software that is free to download and use for as long as you like

·       Hardware
Physical parts of a computer system such as the hard disk, keyboard and printer

·       HTML
Hypertext Markup Language. The code that makes up a web page

·       Home Page
The main page of a web site, often a welcome page

·       Hyperlink
A text or graphic you click on to go to another page or a different web site

·       Internet
A collection of inter-connected computer networks

·       Install
To load and copy program files onto a computer

·       JPG / JPEG
Compressed graphics file for sending across the Internet

·       Link
A text or graphic you click on to go to another page or a different web site

·       Malware
Malicious software such as virus or spyware programs

·       Modem
Device that links a computer to the Internet through a telephone line

·       MP3
Compressed audio file to save disk space and for transfer across the Internet

·       Netiquette
Acceptable behavior online

·       Online
Connected to the Internet

·       Phishing
Fraudulent e-mails and web sites trying to trick you into giving out personal details

·       Plug-in
Extra programs that can be installed into larger programs to handle special tasks, such as playing certain types of movie files in a browser

·       Podcast
Internet audio broadcast that can be played back on PCs or MP3 players such as the iPod.

·       Pop-Up
Small window that appears on a web page, often used for advertisements.

·       Program
A set of instructions to make a computer carry out a task

·       Rootkit
Software that hides system files and can allow attackers to access your computer undetected

·       Router
Device used in home Internet networks to send data from the web to specific computers

·       RSS
Really Simple Syndication – a system to feed you news stories from web sites

·       Search Engine
Tool that searches the Web for keywords and provides relevant links

·       Server
A computer that holds Internet data such as web site files and can send it to another computer when requested

·       Shareware
Software that is free to download but you pay a fee if you want to continue using it after the trial period

·       Shortcut
A link you can click to go straight to a particular program or web page

·       Social Networking
Web sites based on communication and relying on users to add content

·       Software
A program or a set of instructions to make a computer carry out a task

·       Spam
Junk mail messages to e-mail addresses

·       Spyware
Software that tracks your movements on the Web for advertising purposes without your knowledge

·       Stream
Start playing music or video as soon as it begins downloading

·       Surfing
Moving from one web page to another

·       Trial
Software that allows you to try before you buy

·       Trojan
Malicious virus program disguised as useful software

·       Uninstall
Remove program files from a computer

·       Upload
Send a file from your computer to an online destination

·       URL
Uniform Resource Locator. The address of a web site on the World Wide Web

·       Virus
Destructive program that infects and damages computer files

·       Vlog
Video web log

·       VoIP
Voice over Internet Protocol – voice conversations across the Internet

·       WAV
The standard audio file type for Windows PCs

·       Web Page
Individual page on a web site

·       Web Site
A collection of connected web pages located at a particular domain name

·       Wiki
Web site that can be edited by users to add information

·       Windows
Microsoft operating system installed on most PCs

·       World Wide Web (WWW)
Information space on the Internet stored on servers across the world containing documents connected together through hyperlinks

·       Worm
Malicious code that uses an infected PC to spread itself to others

·       Zip
Compressed file format to reduce disk space needed by a file and to transfer it between computers more quickly