A、<span style="line-height: 27px; text-indent: 35px; font-family: 宋体; font-size: 15px;">RAM</span><span style="line-height: 27px; text-indent: 35px;"> </span>
B、<span style="line-height: 27px; text-indent: 35px; font-family: 宋体; font-size: 15px;">内存和外存</span><span style="line-height: 27px; text-indent: 35px;"> </span>
C、<span style="line-height: 27px; text-indent: 35px; font-family: 宋体; font-size: 15px;">ROM</span>
D、<span style="font-family: 宋体; font-size: 15px; line-height: 27px; text-indent: 35px;">高速缓存</span>
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