A short video about the connection of number 72 and Apple Mac.
DPI is used to describe the resolution number of dots per inch in a digital print and the printing resolution of a hard copy print dot gain; the increase in the size of the halftone dots during printing. This is caused by the spreading of ink on the surface of the media.
Since the 1980s, the Microsoft Windows operating system has set the default display “DPI” to 96 PPI, while Apple/Macintosh computers have used a default of 72 PPl.
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