回复：memory 和硬盘有什么不同?我的usb data traveler(2G)

来源: lovchina 于 2007-06-25 06:00:55 [] [旧帖] [给我悄悄话] 阅读数 : (180 bytes)

The main difference is memory is made up of a semi conductive CHIP, and a harddisk is a magnetic disk spinning very fast in a sealed case, at 5400rpm or 7200rpm.

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