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问题 多项选择题

简述UNIX的进程调度的公式和算法。

答案

参考答案：UNIX采用动态优先数调度算法，优先数的计算公式为：
p_pri=min{ABG,(p_cpu/AF+PUSER+p_ice)

改错题

短文改错(共10小题；每小题1.5分，满分15分)

In 1972, the United Nations hold a meeting in Sweden                                     小题1:___            

to share ideas about ways to take better care of for the                                   小题2:___

earth．At the summit, people from more than one hundreds                                 小题3:_____

countries discussed some of the important problems faced                              小题4:_____

our planet．Since then, several Earth Summits had been held.                       小题5:____

In 2002, the Earth Summit was held in Johannesburg.                                   小题6:___

One of the main theme was “sustainable development”, or                        小题7:__

the question what we can continue developing the world                                小题8:_____

without damage the environment．Most of the speakers                                小题9:___

talked the three biggest killers in the world.                                                 小题10:______
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问答题 简答题

什么叫民族文化？
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