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虚拟页式存储管理中,页表的作用十分重要。在页表中指示页面是在内存还是在外存的页表表项是

A、驻留位
B、内存块号(界面在内存中时,所对应的内存块号)
C、访问位(表示该页在内存期间是否被访问过)
D、保护位(是否能读/写/执行)
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正确答案:

A

答案解析:

暂无解析

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