The output quality of a printer is measured by

Correct option is A

✅ (a) Dots per inch (DPI):
· DPI stands for Dots Per Inch, which measures the resolution or output quality of a printer.
· It refers to the number of individual dots a printer can produce in a one-inch line.
· Higher DPI means better print quality with more detail and clarity.
· For example, a printer with 1200 DPI produces finer images than one with 300 DPI.
· Dots per square inch is not a standard measurement in printing quality.
· Dots printed per unit line is not a recognized term.
❌ (b) Dots per square inch: Incorrect, as DPI measures dots linearly, not in area. ❌ (c) Dots printed per unit line: Not a standard term. ❌ (d) None of the above: Incorrect since DPI is the standard measure.