| A | B |
| Ambient Light | Light added from the room or environment. |
| ASCII | The 8-bit binary code used to represent alphanumeric characters and symbols. |
| Bit Depth | The number of colors an image is represented in and is firured as 2 to the power of the number. |
| Bitmap Table | A table that keeps track of the binary values assigned for anything including graphics. |
| Buffer | A reserved area of memory that holds data while it is being processed. |
| CCD Array | Light sentive devices used in digital cameras and scanners where one semiconductor provides the input for the next semiconductor device. |
| Compatibility | The ability of devices to share information withut some type of conversion. |
| Corona Wire | Electrically charged wire used in laser printers. |
| ESD | The unwanted flow of electrical current between two objects of different electrical potentials; can cause damage to electronic equipment. |
| Firmware | Software that is programmed into read only memory chips that do not lose contents when the power is removed. |
| Functionality | The usefulness of something, like a software application. |
| GDI | The way Windows applications typically get images to display on a screen. |
| Interpolation | The process of the command interpreter turning ingormation typed at the keyboard or other computer commands into something the computer can use. |
| Nozzle | Part of the inkjet printer that directs ink at the page. |
| OCR | The ability of a scanner to be able to convert images to the letters, numbers, or symbols they represent. |
| Paper Dust | The trash left over from paper as it goes through a printer. |
| PCL | Commands for Hewlett Packard LaserJet printers. |
| Photosensitive Drum | Part of the laser printer that is written on by a laser, receives toner, and then transfers thetoner to the paper. |
| Photosite | A light sensitive diode used as part of a CCD array in a scanner. |
| Postscript | A graphical command language for laser printes. |
| Primary Corona | Electrically charged wire that is used to induce a negative charge on teh print drum. |
| Print Head | The part of a printer that applies or is responsible for applying ink or toner to the page. |
| Raster Image | Computer image that is stored as colored points in a rectangular grid. |
| Recycled Paper | Paper that has been turned inot a usable product from paper products previously used. |
| Resolution | A number given to the detail or images on displays and priters. |
| Scan Head | Part of a scanner that moves across and senses the image to be scanned. |
| Solenoid | A coil of wire that when energized acts like a magnet. |
| Stabilizer Bar | Part of a digital camera or recording device that compensates for shaking or vibration. |
| Stepper Motor | The device used in inkjet printers that moves the printhead across the paper. |
| Toner | Electrically charged particles used in laser priters and copiers to create the image on the printed page. |
| Transfer Corona | Charged wire in a laser printer that draws the toner from the electro-photostatic drum onto the paper. |
| Upgrade | The process of replacing hardware or software with newer version to increase functionality. |