Device pixel ratio (DPR) is:

  1. RAM ÷ storage
  2. Screen width ÷ height
  3. Battery level ÷ brightness
  4. Physical pixels ÷ CSS pixels
Answer

D) Physical pixels ÷ CSS pixels

DPR tells how many physical pixels make one CSS pixel on high-density screens.

Computer Science MCQ · More HTML5 for Mobiles MCQs · Practise