A. INTRODUCTION TO DIGITAL IMAGE Pixels

DPI does not change the size of the print. It only controls print quality. For example, if you have a 640x480 pixels image and you want to print it at 200DPI: 640/200 = 3.2 inches and 480/200 = 2.4 inches; so if you print this picture at 3.2x2.4inches (8.1x6.1cm) you will get a … ................
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