So Group of dots are known as Pixels, and image is sub grouped in to a sequence of stips.These are called Scan lines, and these scan lines are further divided in to Pixels. In the name Raster Scan Display, the Raster word means a rectangular array of points. So they are formed using Curves, Points, Lines, and Polygons Random Scan Display is formed by using various geometrical primitives. Monitor is an electronic output device where we can see entire output through this device. Monitor is also referred as Visual Display Unit. Because CRT Technology offers good vibrant and very good accurate colour. These CRT Displays are used mostly by Graphic professionals. So CRT technology is employed in these output devices. We often use Computer Monitors and Televisions in our regular life. Important Video display Devices are provided below. There are several Video Display Devices in Computer Graphics. Most of the display devices are based on the standard CRT design.

So Video Display Devices are nothing but Display or output devices which present Videos in various forms.

You may find out how those Video Display devices work and other more details below.Д«asically Display Devices are the Devices or else known as output devices for showing the information in visual form. Along with the working of Refresh Cathode Ray Tube, you may also study various Video Display Device. Cathode Ray Tube CRT working is given in detail below. CRT (Cathode Ray Tube) is one of the Video Display devices.

Cathode ray tube monitor