spatial resolution unit
dots per inch
"A spatial resolution unit which is a standard measure of the printing resolution, in particular the number of individual dots of ink a printer or toner can produce within a linear one-inch space." [Wikipedia:Wikipedia]
dpi
dots per inch based unit
dots per inch
"A spatial resolution unit which is a standard measure of the printing resolution, in particular the number of individual dots of ink a printer or toner can produce within a linear one-inch space." [Wikipedia:Wikipedia]
dpi