Computer graphics
.The origins of computer graphics Starting from the creation of computer monitors are displayed instead of the display with the printer. To speed up the interaction to a user. The monitor created called CRT monitor.C.Professor 1950 which still continued development and use to the present day. Computer monitor has the working principle as well as the monitor of the television cable.In the past, the drawing by computer is still difficult than drawing on paper with a pen. Since the computer relies on the keyboard or mouse input in 1975.1963 Evan Sutherland has invented the light pen. Looks like a normal pen But when drawing with a pen light with a special substrate can appear as a picture on the screen as การวาดภาพ on paper with a pen plain.And data structure of computer graphics up use too
.Because computer graphics in the early days. Unable to maintain the on screen to remain and will fade in a few seconds later, it must be that new drawing repeated time delay and slow processing
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