installed memory后面写8.00G(7.87G usable)是什么意思

no usable memory found\u662f\u4ec0\u4e48\u610f\u601d

\u6ca1\u6709\u53ef\u7528\u7684\u5185\u5b58

\u4eceSLIC\u3000memory\u3000Usable\u3000\u548c\u4e0b\u9762\u51e0\u884c\u770b\uff0c\u4f60\u53ef\u80fd\u88c5\u7684\u662f\u7834\u89e3\u7248\u7684\u7cfb\u7edf\uff0c\u7834\u89e3\u7248\u7684\u7cfb\u7edf\uff0c\u6709\u53ef\u80fd\u4f1a\u5728\u6709\u4e9b\u4e3b\u677f\u4e0a\u88c5\u4e0d\u4e0a\uff0c\u4f60\u53ef\u4ee5\u8bd5\u7740\u7528\u6b63\u7248\u7cfb\u7edf\u88c5\uff0c\u88c5\u5b8c\u540e\u518d\u7834\u89e3\u3002

标称容量是8G，但实际上往往只有7.87G，因为要存储地址信息等。

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