| A | B |
| output | data that has been processed into a useful form called information |
| graphic | a digital drawing, chart, or photograph |
| output device | any hardware component capable of conveying information to a user |
| printer | an output device that produces text and graphics on paper |
| monitor | a display case that consists of a screen housed in a plastic or metal case |
| resolution | the clearness or sharpness; related to the number of pixels a monitor can display |
| dot pitch | the distance between each pixel |
| refresh rate | the speed with which a monitor redraws images on the screen |
| video card | converts digital output into an analog video signal that is sent from the computer to the monitor |
| CRT | cathode ray tube |
| LCD | liquid crystal display |
| hard copy | a paper printout |
| impact printer | a printer that forms characters and graphics by striking against an ink ribbon that physically contacts the paper |
| nonimpact printer | a printer that forms characters without actually striking the paper. |
| dot-matrix printer | an impact printer that prints images when tiny wire pins on a print head strike an inked ribbon |
| inkjet printer | a high-speed, high-quality nonimpact printer that sprays dropws of ink onto a piece of paper |
| laser printer | a nonimpact printer that operates similar to a copy machine |
| thermal printer | a printer which created images by pushing heated pins against heat sensitive paper |
| speakers | devices which allow all within hearing distance to hear sound |
| headset | a sound output device that plugs into a port on a sound card and allows only the user to hear sound from the computer |
| text | characters that create words, sentences, and paragraphs |
| audio | music, speech, or any other sound |
| soft copy | information seen on a display device |
| monochrome | displaying in one color (such as white, amber, green, etc.) |
| gray scale | using many shades of gray to provide better contrast |
| CRT monitor | a monitor containing a CRT; similar to a television set; the front of the tub is the screen. |
| viewable size | the diagonal measurement of the actual viewing area provided by the monitor |
| LCD monitor | a monitor with liquid crystals between two sheets of material |
| flat panel display | a lightweight, compact LCD display |
| e-book | an electronic book that allows users to read, save, highlight, and bookmark the text on screen |
| active matrix display | uses a separate transistor for each color pixel and thus is viewable from all angles |
| thin-film transistor (TFT) | another name for an active matrix display |
| passive matrix display | a display using fewer transistors and requiring less power; best viewed from directly in from of the display |
| dual scan display | another name for passive matrix display |
| High Definition TV | a type of tv set that works with digital broadcasting signals |
| interactive tv | two-way technology in which users can interact with tv programming by ordering movies, answering polls, etc. |
| portrait orientation | a pages that is taller than it is wide |
| landscape orientation | a page that is wider than it is tall |
| photo printer | a color printer that can produce photo lab quality pictures as well as print everyday documents |
| label printer | a small printer that prits on adhesive labels |
| Internet telephony | having conversation over the Web just as if you were on the telephone |
| data projector | a device that takes the image from a computer and projects it onto a larger screen |
| Fax machine | a device that sends and receives documents over telephone lines |
| Fax modem | a modem that also allows you to send and receive electronic documents as faxes |
| multifunction device | a single piece of equipment that looks like a copy machine and is used to print, scan, copy, and perhaps fax. |