问题
单项选择题
Local bus can reduce the occupation time of CPU. For the EISA local bus, commonly the time can be reduced to
A．0.42
B．0.22
C．0.12
D．0.02
答案
参考答案：C
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Local bus can reduce the occupation time of CPU. For the EISA local bus, commonly the time can be reduced to
A．0.42
B．0.22
C．0.12
D．0.02
参考答案：C
