| A | B |
| pdf | "Portable document Format" that can be viewed by anyone. |
| jpeg | compressed photograph image (Joint Photographic Experts Group |
| gif | compressed image file used for clip art (Graphics Interchange Format) |
| tiff | high quality image for printing (Tagged Image Format) |
| png | compressed raster graphic format |
| rtf | word processing file that can be read by all word processing programs (Rich Text Format) |
| mp3 | compressed audio file (MPEG-1 Audio Layer 3) |
| zip | file compressed for downloading |
| mpeg | multimedia file used online (Motion Picture Experts Group) |
| http | set of rules for transferring files over web (Hypertext Transfer Protocol) |
| html | language used to create web pages (Hypertext Markup Language) |
| ftp | set of rules for moving files across internet (File Transfer Protocol) |
| im | useful tool for communicating online (Instant Message) |
| Bcc | way to let others see an email without main recipient knowing (Blind Carbon Copy) |
| URL | internet address (Uniform Resource Locater) |
| hyperlink | word, phrase or image that allows internet users to move to another page |
| hashtag | symbol used to label keywords in a tweet |
| cookie | small amount of data saved by web browser to remember things about user |
| bit | smallest unit of measurement of data (Binary Digit) |
| byte | unit of measurement for data; equal to 8 bits) |
| kilobyte | 1024 bytes |
| megabyte | 1024 kilobytes |
| gigabyte | 1024 megabytes |
| terrabyte | 1024 gigabytes |
| CD | Compact Disc that stores 700 MB of data |
| DVD | Media storage disc holding 4.7 GB of data (Digital Versatile Disc) |
| ROM | Read Only Memory |
| CPU | Central Processing Unit; primary component of computer |
| ethernet | wired connection for networking |
| RAM | Operating memory of computer (Random Access Memory) |
| Clipboard | Section of RAM that stores copied data |
| JRE | Program needed for Java to run on all computers (Java Runtime Environment) |
| Java | High level programming language used for web applications |
| WYSIWYG | What You See is What You Get |
| Virus | small programs or scripts that cause problems on computer |
| Piracy | illegal use of commercial software |
| OCR | Technology that allows scanning text that can be edited (Optical Character Recognition) |
| GUI | User Interface using graphical elements |
| USB | Common computer port for connecting devices to computer (Universal Serial Bus) |
| AUP | Acceptable Use Policy |
| DNS | Used to translate domain names into IP Addresses (Domain Name System) |
| IMHO | In my Humble Opinion |
| DPI | Measures resolution of an image (Dots per Inch) |
| GIGO | Garbage In Garbage Out |
| HDMI | Digital interface for transmitting audio and video data (High-Definition Multimedia Interface) |
| J/K | Just Kidding |
| DSL | Popular way to provide broadband internet access (Digital Subscriber Line) |
| CAD | Used to create 2D and 3D designs (Computer-Aided Design) |
| MBPS | Used to measure data transfer speeds (Megabits per Second) |
| WWW | A subset of internet accessed by web browser (World Wide Web) |
| LOL | Laughing out Loud |
| TMI | Too Much Information |
| TTYL | Talk to you later |
| TY | Thank You |
| IRL | In Real Life |
| L8R | Later |
| ILY | I Love You |
| BRB | Be right back |
| 2nite | Tonight |
| NP | No Problem |