| 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 devices, to a computer. |
| Resolution | The degree of sharpness of a displayed or printed character or image. On screen, resolution is expressed as a matrix of dots. |
| 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 on screen that same as they will print. |
| Corona Wire | A charged wire in laser printer that draws the toner off the drum onto the paper. |
| EPP | Enhanced Parallel Port, a chip that doubles speed of Ethernet transmission to 20 Mbits/sec |
| ECP | Enhanced Capabilities Port, this mode is designed for printers. |
| Cathode Ray Tube | Displays images using phosphorous dots with a scanned electron beam. |
| Non-interlaced | A monitor that doesn't use interlacing. It produces less flickering |
| Interlaced | A monitor that builds an image by displaying even numbered scan lines and then odd numbered scan lines. |
| FRU | Field Replaceable Unit. Term used in refrence to laser printers, and refers to printer components that can be replaced as part of maintenance procedures. |
| Electrostatic Photographic | Describes the type of drum used in laser printers. These drums depend on electrostatic charges to hold toner. |
| Fuser | The laser printer device that uses two rollers to heat toner particles, melting them onto the paper. |
| Degauss | Remove magnetism from a device. |