Definition:computer graphics is the technology that deals

with designs and pictures on computers.

An example of computer graphics is the design of pictures and scenes on a computer game.

Graphics hardware output devices are those hardware that generates computer graphics and allows them to be shown on a

display..

Output

Devices

Plotters

Monitors

PhosphorsElectron

Gun

Printers

This allows you to print off the graphics you create and edit on the computer. You can print them off in color, black and white or gray scale in various sizes.

Plotter is another type of computer printer which prints vector graphics. There are two types of plotters one is a pen plotter which is when a pen moves across the surface of the paper and then there is a knife plotter which uses moving knives to cut into a piece material.

This allows you to see the images produced by the computer.

The quality of the graphics that you see depends on the size and the resolution of the monitor.

The phosphors used in a graphic display are normally chosen for their color characteristics and persistence. Color should preferably white, particularly for applicants where dark information appears on a light background.

Phosphor layers provide most of the light produced by fluorescent lamps, and are also used to improve the balance of light produced by metal halide lamps.

Electron Gun makes use of electrostatic fields to focus and accelerate the electron beam. A field is generated when two surfaces are raised to different potentials.

The most common use of electron guns is in cathode ray tubes, which were widely used in computer and television monitors.