某系统中有3个并发进程，都需要同类资源4个，试问该系统不会发生死锁的最少资源数是（）。
- A.9
- B.10
- C.11
- D.12
正确答案及解析
正确答案
解析
3个进程要想不死锁，每个进程都需要4个同类资源，所以只要每个进程都有3个资源，另外一个在给一个额外的资源。 那么3个进程中有一个可以运行。运行完以后，释放资源然后其余的进程在申请资源就可以了。
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