Discussion
The output quality of a printer is measured by
Answer: A
Printer output quality is measured in dots per inch.
Printers form text and images from tiny dots of ink or toner. Resolution is stated as dots per inch (dpi), the number of dots placed along one linear inch; a higher figure means finer detail, such as 600 dpi or 1200 dpi for a laser printer.
The measure is linear, per inch, not per square inch, and 'dots printed per unit line' is not a standard unit. Since dpi is correct, 'None of the above' is wrong.
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