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英语四级阅读理解精炼50篇011:”64 位大帝”登基(含答案)

hetao 于2014-05-30发布 l 已有人浏览
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英语四级阅读理解精炼第011篇,练习关于”64 位大帝”登基的阅读理解,含有四级阅读练习题,参考译文,答案等内容。供正在准备英语四级考试的学习者参考学习。

cet4英语四级阅读理解精炼50篇

11. 64-bit takes off

64-bit desktop computing has taken a significant step toward becoming a pervasive reality:amd’s ( advanced micro devices ) release of its athlon 64 chips — and apple ’s launch of its g5 cpus — means 64-bit processors, once reserved for servers and high-end workstations, are now in pcs available on retail shelves.

in time, 64 -bit pcs could change the face of desktop computing. a 64 -bit chip can run longer, more complex instructions than a 32 -bit one, improving performance of dataintensive tasks such as audio and video encoding, advanced engineering design apps1 ,and, naturally, games.

equally key is a 64-bit cpu’s ability to recognize and use a lot more ram2 . today’s 32 -bit chips, such as amd’s athlon xp and intel’s pentium 4 , can address up to 4gb of ram split between the os and applications. few pcs have that much memory, and even fewer apps use it. but with ever-more-complex software, that limitation may become a bottleneck, making athlon 64’s ability to address a whopping terabyte ( 1000gb) 3 of physical memory very attractive.

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