武汉大学“多核架构及编程技术”精品课程课外作业

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"Process" is different from "Program" because  .(choose one)
A.program has status,process don't 
B.process has status,program don't 
C.program can occupy resource,process don't 
D.process can occupy resource,program don't


If the current value of a semaphore is -4. How many threads are waiting for this resource?(Choose one)
A. 3 
B. 4 
C. 5 
D. 6

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For more complete information about compiler optimizations, see our Optimization Notice.