High-resolution graphics — PLOT, DRAW, CIRCLE and INVERSE
High-resolution graphics involves the use of pixels, A pixel is a very small dot. Each character position on the screen is made up of eight pixels across and eight pixels up the side. The diagram that follows, which has been enlarged, shows the character position 21,0 divided into 8 x 8 tiny squares — each tiny square is a pixel. Two examples of pixels have been marked in.
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© Judith Miller 1985