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data that has been processed into a useful form

output device

any type of hardware component that conveys information to one or more people

display device

output device that visually conveys text, graphics, and video information

soft copy

information on a display device, exists electronically and appears for a temporary period

flat-panel display

lightweight display device with a shallow depth and flat screen that typically uses LCD or gas plasma technology

LCD(liquid crystal display)

uses a liquid compound to present information on a display device

organic LED( light emitting dio)

newer type of technology that uses organic molecules that produce an even brighter, easier-to-read display than standard TFT display


number of horizontal and vertical pixels in a display device


single point in an electronic image

plasma monitor

display device that uses gas plasma technology, which sandwiches a layer of gas between two gas plates


most advanced form of digital television, provides resolution up to 1920 x 1080 pixels

CRT monitor

desktop monitor that contains a cathode ray tube

flat screen CRT

flat screen that uses cathode ray tubes

viewable size

diagonal measurement of the actual viewing area provided by the screen in CRT monitors

hard copy

exists physically and is a more permanent form of output than that presented on a display device

bluetooth printing

computer or other device transmits output to a printer via radio waves

infrared printing

printer communicates with a computer or other device using infrared waves

inkjet printer

type of nonimpact printer that forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper

photo printer

color printer that produces photo-lab quality pictures

laser printer

high-speed, high-quality nonimpact printer

multifunctional peripheral

all-in-one device, is a single device that looks like a printer or a copy machine but provides the functionality of a printer, scanner, copy machine, and a fax machine

thermal printer

generates images by pushing electrically heated pins against heat-sensitive paper

mobile printer

small, lightweight, battery-powered printer that allows a mobile user to print from a notebook computer, smart phone, or other mobile device while traveling

label printer

small printer that prints on an adhesive type material

postage printer

special type of label printer that prints postage stamps


sophisticated printers used to produce high-quality drawings such as blueprints, maps, and circuit boards

large format printer

creates photo-realistic -quality color prints

voice output

occurs when you hear a persons voice or when the computer talks to you through the speakers of the computer

dot-matrix printer

produces printed images when tiny wire pins on a print head mechanism strike an inked ribbon

LCD projector

uses liquid crystal display technology

DLP projector

uses tiny mirrors to reflect light

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