Norwell is an affluent, semirural town in Plymouth County, Massachusetts, United States. The population was 10,506 at the 2010 Census. The town's southeastern border runs along the North River.
Widescreen vs Full Screen. Due to the introduction of HDTVs, there are now two basic types of TV screens; the widescreen format and the full screen. The main difference between the two is the aspect ratio that they use. Full screen uses an aspect ratio of 4:3, which means that it is 1.33 times wider than it is high.
NTSC vs PAL: Resolution quality. Another difference between NTSC and PAL is their resolution quality. PAL television contains 625 lines while NTSC has 525. Generally speaking, more lines means more visual info, namely, better picture quality and resolution.