进程控制块(PCB)的内容一般可以分成调度信息和现场信息两大部分,下列哪一个属于现场信息?
A. 当前状态
B. 存储信息
C. 优先级
D. 程序状态字
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计算机系统中拥有各种软硬件资源,内存是属于
A. 可重用资源
B. 不可重用资源
C. 临界资源
D. 共享资源
在装入一个程序时,把程序中的指令地址和数据地址经过计算,全部转换成物理地址后再装入物理内存,这一过程称为
A. 静态重定位
B. 动态重定位
C. 静态地址分配
D. 动态地址分配
下列哪些事件属于中断事件?( )
A. 时钟中断
B. 硬件故障中断
C. 输入/输出中断
D. 控制台中断
E. 用户程序执行了特权指令
If you are a new comer,you may get ___1__, so you need to ask the way from police or ____2___people. "Excuse me, could you tell me the__3__ to ... "Hello, how can I __4__ to.. or Excuse me, is there a .. near here?" Of course you should know the ___5___. Go straight ahead till you see a traffic ___6___. Then __7___ left. It is on the rightside of the road. It's ____8___(对面) to a big shopping mall. You can't __9____ it."Meanwhile when we ask the way or give directions, we should be ___10__ to others. Most of the time we use Excuse me", Please.." or "Could you." You should remember that!