The HP L1750 has a maximum resolution of 720 x 400. That's 78% less resolution than a 1280 x 1024 (SXGA) LCD screen, which is the most frequently found resolution. This flatpanel monitor also have graphics resolutions of 1024 x 768 (XGA) and 640 x 480 (VGA) and 800 x 600 (SVGA).
A 720 x 400 graphics resolution is in fact the worst resolution amongst all PC screens that are a comparable age to the L1750.
A 1920 x 1080 (HD 1080) graphics resolution is the best resolution amongst similar types of PC display.