Multiple choice technology web technology What is the display technology behind Mac OS X and the Aqua user interface? X11 Display PostScript Quartz 2D OLED Reveal answer Fill a bubble to check yourself C Correct answer Explanation Quartz 2D is the display technology underlying Mac OS X and its Aqua user interface. It's a resolution-independent 2D graphics rendering engine based on the Portable Document Format (PDF) imaging model.