问题
单项选择题
There are many page replacement algorithms in page management. The most frequently used algorithm is( ).
A．FIFO
B．LRU
C．OPT
D．PPT
答案
参考答案：B
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There are many page replacement algorithms in page management. The most frequently used algorithm is( ).
A．FIFO
B．LRU
C．OPT
D．PPT
参考答案：B