Epson FX Figure 13-2. Array in memory and on paper, Figure 13-1. Computer memory as sketch pad

Figure 13-1.Computer memory as sketch pad

holes or cells arranged in rows and columns, as Post Office boxes are. Each cell of the array corresponds to a dot position on the paper (Fig- ure 13-2).

Figure 13-2.Array in memory and on paper

Although the cells in a numeric array can hold nearly any numeric value, you use only the binary numbers (0 and 1) for this graphics program. Figure 13-3demonstrates using a 1 to represent a dot and a 0 to represent no dot.

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