PC makers, beginning with Asus and Dell, are creating ultra-compact desktop computers that are about the size of a thick textbook and use at least 50 percent less electricity than the hulking towers of yore.rnSmaller, more efficient laptop components (including processors, hard drives and RAM] perform as well as desktop parts for everyday tasks. Because they don't run as hot, they don't require large cooling fans.rnYou get the full computing experience [in most applications) without the big box-or the big electric bill. One caveat: These systems will struggle with heavy-duty videogaming.
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