12. Random-scan system mainly designed for a) Realistic shaded screen b) Fog effect c) Line-drawing applications d) Only b
Random-scan system mainly designed for Line-drawing applications.In Random-Scan Display electron beam is directed only to the areas of screen where a picture has to be drawn. It is also called vector display, as it draws picture one line at time. It can draw and refresh component lines of a picture in any specified sequence. Pen plotter is an example of random-scan displays.
