单项选择题

There are many page replacement algorithms in the page management. Most frequently used algorithm is

A．FIFO
B．PPT
C．OPT
D．LRU
<上一题 目录 下一题>
热门 试题

单项选择题
By means of multiple pipeline to carry out multiple processing,this technologyiscalled
A．Multiple pipeling
B．Supe rpipeline
C．Superscalar
D．Very long instruction word
单项选择题
Suppose we have the relation schema R(A,B,C,D) with functional dependencies;F{A→B,B→C,C→D,D→A},then R(A,B,C,D)at least is in
A．1NF
B．2NF
C．3NF
D．BCNF
相关试题