What Is High-Definition? | Wonderopolis
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Web ResultWhat is high-definition? How is HD different than SD? Do you need an HDTV to watch HD video? Tags: See All Tags. 1080, 480, 720, antenna, Blu-ray, cable, computer, console, definition, digital, disc, display, DVD, electronic, game, HD, HDTV, high, internet, laptop, line, monitor, player, Playstation, realism, resolution, …
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