| A | B |
|---|
| Pixel | The smallest dot that a computer can display at a particular resolution |
| Centronics Interface | The 36-pin standard for interfacing parallel printers and other deivces to a computer |
| Resolution | The ammount of pixels in the screen image |
| Refresh Rate | When monitors refresh image on screen. The higher the more steady the screen appears |
| WYSIWYG | what you see is what you get, refers to displayed graphics is what will print |
| Corona wire | A charged wire in a larger printer that draws the toner off the drum onto the paoer |
| EPP | increased bi-directional transfer from the centronics ISO to between 600 kb/sec and 1.5 mb/sec |
| ECP | Is desgined for printers and is uses DMA channels, which reduce cau overhead provides a buff |
| CRT | A vacuum tube in which a hot cathode emits electrons that are accelerated as a beam through a relatively high voltage anode, further focused or deflected electrostatically or electromagnetically, and allowed to fall on a phosphorescent screen. |
| Interlaced | A monitor that builds an image by displaying even numbered scan lines and then odd numbered scan lines. |
| non-interlaced | A monitor that does not use interlacing. It produces less flickering. |
| Degauss | To remove magnetism from a device. |
| FRU | term used in reference to laser printers, refers to printer components that can be replaced as part of maintenance procedures |
| Electrostatic Photographic Drum | Drum used in laser printers. These drums depend on electrostatic charges to hold toner that is moved over the paper during the transfer step. |
| Fuser | The laser printer device that uses two rollers to heat toner particles, melting them onto paper |
