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Yes, do what they mean and not what they say
. In fact a very small percentage of people saying dpi actually mean dpi, most mean ppi. PPI is pixels per inch. Pixel stands for the smallest Picture Element. Pixels exist in digital files and pixels is also used for describing resolution of LCD displays where it means the smallest LCD picture elements (cells) of the screens. Pixels also can be used for the number of pixels camera sensors can produce.
DPI is dots per inch and is mostly used for smallest ink drop (dot) a printer is set to print. DPI can also be used for the samples of scanners and for describing the CRT monitors' resolution because the technology used for CRT monitors is more like printing dots than using fixed size cells as is the case with LCD screens, although when LCDs appeared on the market people started to use the term pixels for CRTs and some people used dots meaning LCD pixels and probably from there also meaning the same for pixels in digital files.
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