Output Devices

A display device visually conveys text and graphics - LCD or LED. LED is the latest and is far more energy efficient.

Monitors are usually referred to being CRT which had a Cathode Ray Tube as there main source of displaying data in pixels.

The quality of an LCD Monitor or LCD screen depends primarily on: Resolution, Response Time, Brightness, Contrast Ratio.

Resolution is the number of horizontal and vertical pixels in a display device. A higher resolution uses a greater number of pixels.

Printers are another form of output devices that output to a hard storage medium that is archives or filed in some sort of human storage medium.

There are two types of Printers nonimpact printers forms characters and graphics on a piece of paper without actually striking the paper. Mobile Printers, plotters etc.

Ink-Jet Printers forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper. Color or black-and-white, Printers with a higher dpi (dots per inch) the better the image.

Laser Printers - High-Speed High-Quality, Color & Black & White. They also perform at a much higher speed than other types of printers.

Audio Output Devices produce music, speech or other sounds. Most computer users attach speakers to their computer to Generate higher-quality sounds for playing games, ineracting with multimedia presentations or viewing of movies.

Force Feedback - Sends resistance to the device in response to actions of the user. Tacticle output provides the user with a physical response from the device.

Brail Printers are important for people that are blind.