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Semigraphics

Known as: Semigraphical characters, Block graphics, Text semigraphics 
Text-based semigraphics or pseudographics is a primitive method used in early text mode video hardware to emulate raster graphics without having to… 
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Highly Cited
2000
1983
1983
In the first chapter (listing 1.2) we saw how a small block or character may be generated by eight binary numbers. Such a block… 
1980
1980
The introduction of videotex services in several countries has spurred the search for the lowest cost user terminal which will…