试题与答案

下列四条叙述中,正确的一条是______。A.假若CPU向外输出20位地址,则它能直

题型:单项选择题

题目:

下列四条叙述中,正确的一条是______。

A.假若CPU向外输出20位地址,则它能直接访问的存储空间可达1MB

B.CP机在使用过程中突然断电,SRAM中存储的信息不会丢失

C.PC机在使用过程中突然断电,DRAM中存储的信息不会丢失

D.外存储器中的信息可以直接被CPU处理

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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