在请求调页系统中,若逻辑地址中,若逻辑地址中的页号超过页表控制寄存器的页表长度,则会引起( );否则,若所需的页不在内存中,则会引起( )
A. 输入/输出中断
B. 时钟中断
C. 越界中断
D. 缺页中断
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在请求调页系统中,凡未装入过内存的页都应该从()调入;已运行过的页主要是从()调入,有时也从()调入。
A. 系统区
B. 文件区
C. 对换区
D. 页面缓冲池
The siren also reaches its top and then suddenly goes off.What's the meaning of the underlined part?
A. stop, discontinue
B. leave
There is absolute dead _________ for a long moment.
A. silent
B. silence
The previously __________ objects have now been identified as being satellites.
A. unidentified
B. unidentifying