r和s分别是正规式,则有L(r|s)=L(r)∩L(s)。( )
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确定有限自动机以及非确定有限自动机都能正确地识别正规集( )
A. 对
B. 错
1.描述下列各正规表达式所表示的正规集。(1)00|1)*0(2)(0|1)*0(0|1)(0|1)(3)0*10*10*10*
Give examples of reusable and consumable resources.
What are the three conditions that must be present for deadlock to be possible?