Local bus can reduce the occupation time of CPU.For the EISA local bus, commonly the time can be reduced to( ).

admin2009-02-24  53

问题 Local bus can reduce the occupation time of CPU.For the EISA local bus, commonly the time can be reduced to(    ).

选项 A、42%.
B、22%.
C、12%.
D、2%.

答案C

解析
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