单项选择题

设用一维数组A[1…n]来存储一个栈，令A[n]为栈底，用整型变量T指示当前栈顶位置，A[T]为栈顶元素。当从栈中弹出一个元素时，变量T的变化为

A．T:=T+1
B．T:=T-1
C．T不变
D．T:=n
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单项选择题
已经获得除什么以外的所有运行所需资源的进程处于就绪状态
A．存储器
B．CPU
C．外设
D．磁盘空间
单项选择题
Which routing select algorithm is described below According to a kind of fix regulation, the select algorithm of route works and has nothing to do with the network information newly.
A．Static Routing Algorithm
B．Dynamic Routing Algorithm
C．Centralized Routing Algorithm
D．Distributed Routing Algorithm
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