Dots Per Inch

A measure of the resolution of a computer monitor, scanner, or output device such as a laser printer or imagesetter. Each of these devices generates or displays images which are composed of many tiny dots (called pixels or spots). The resolution is determined by measuring how many of these "dots" can fit in a unit of linear distance, such as an inch. See Resolution. A more proper term—to distinguish screen and printer dots from halftone dots—is pixels per inch.

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