Multiple choice general knowledge science & technology

The output quality of a printer is measured by

  1. Dot per cm

  2. Dots per inch

  3. Dots printed per unit time

  4. All of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Printer resolution is universally measured in DPI (Dots Per Inch), which indicates how many ink droplets a printer can place within one linear inch. Higher DPI values produce sharper, more detailed output. 'Dot per cm' is not a standard printer resolution metric. 'Dots printed per unit time' measures print speed, not quality.

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