单选

●下列关于PC机硬件的叙述中,错误的是 (12) 。

(12)

  • A.目前Pentium处理器是32位微处理器    &n
  • bsp;  B.系统总线的传输速率直接影响计算机的处理速度    
  • C.CPU中的Cache主要是用来解决CPU速度与主存速度不匹配的问题    
  • D.主存容量单位一般用MB或GB表示,两者的关系是1GB=1000MB
参考答案
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(65)

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(62)

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