raster-scan display
raster-scan display
1. A widely used method of presenting graphical or pictorial images in which the electron beam of a cathode-ray tube is swept across the screen, one row at a time and from top to bottom. As the electron beam sweeps, the beam intensity is turned on and off dependent on information defining the picture to be created. It is similar to the definition of a TV picture. Compare vector display.
2. A physical device operating in this way.
1. A widely used method of presenting graphical or pictorial images in which the electron beam of a cathode-ray tube is swept across the screen, one row at a time and from top to bottom. As the electron beam sweeps, the beam intensity is turned on and off dependent on information defining the picture to be created. It is similar to the definition of a TV picture. Compare vector display.
2. A physical device operating in this way.
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VDU
VDU Abbrev. for visual display unit. A device that consists of a display, keyboard, and computer connection. Many VDUs also…
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raster-scan display