the Physical Computer
a Training Module of the
Assistive Technology Division
Mississippi Department of Rehabilitation Services
Output Devices
Monitors |
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| Cathode Ray Tube (CRT) monitors are the current standard. A monitor size (eg. 19" monitor) indicates the diagonal viewing area. | ![]() |
| Flat Panels, LCD or TFT, are the latest development. They have a reduced foot print, run cooler, and do not present disposal issues. | ![]() |
Printers |
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| InkJet Printers are the least expensive. Ink is heated and the bubble is forced through a jet and is sprayed onto the paper. In the long run, these printers have a high cost of ownership due to the expense of buying new ink cartridges often. | ![]() |
| Laser Printers are more expensive to purchase. However, the TCO (total cost of ownership) is lowered because toner cartridges last longer. The quality of print is generally much better. | ![]() |