| A | B |
| Pixel | Smallest dot that a computer can display at a particular resolution. Screen size is often referred to in pixels. |
| Centronics Interface | The 36-pin standard for interfacing parallel printers, and other devices to a computer. |
| Resolution | Refers to the sharpness and clarity of a picture or image. |
| Refresh Rate | the number of times per second that a device is re-energized, such as a CRT or dynamic RAM chip. |
| WYSIWYG | it refers to displaying text and graphics |
| corona wire | a charged wire in a laser printer that draws the toner off the drum onto the paper |
| EPP | a chip that doubles the speed of ethernet transmission to 20mbits/sec |
| ECP | a parallel port standard for PC's that supports |
| Cathode ray tube | the vacuum tube used as the display screen for computer terminals |
| interlaced | a monitor that builds an image by displaying evennumbered scan lines and then odd numbered scan lines |
| non-interlaced | a monitor that doesn't use interlacing |
| degauss | remove magnetism from a device |
| field replacement unit | term used in reference to laser printers, and refers to printer components that can be replaced as part of maintenance procedures |
| electrostatic photographic drum | describes the type of drum used in laser printers |
| fuser | the laser printer device that uses two rollers to heat toner particles, melting them onto paper |