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Kicking back on the couch to watch a game, enjoy a movie, or lose yourself in the latest episode of Game of Thrones is a great way to relax. However, shopping for an HDTV can be baffling. LED or plasma? 120Hz or 240Hz? HDTV specs are as numerous as they are confusing, but here’s what a few of the most-common terms mean.

For more info, check out PCWorld’s HDTV buying guide.

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