[it認證]操作系統(tǒng)復(fù)習(xí)題-資料下載頁
2025-01-15 05:24本頁面
【正文】 for a deadlock to be possible.（ ）狀態(tài) 指的是 一個進程占有一分配資源并且等待其他進程的數(shù)據(jù)，它是死鎖的必然條件。ANS: hold and wait占有且等待6. A(n) _____________ method of deadlock prevention is to prevent the occurrence of one of the three necessary conditions for deadlock. 一個（ ）的死鎖預(yù)防方法是預(yù)防導(dǎo)致死鎖的三個必然條件中的一個。ANS: indirect 間接7. In Deadlock Avoidance, the Resource Allocation Denial strategy is also referred to as the _______________.在死鎖避免的方法中，資源拒絕分配算法也可稱為（ ）。 ANS: banker’s algorithm銀行家算法8. A(n) _________________ state is one in which every potential sequence of allocation of resources to processes results in a deadlock.在（ ）狀態(tài)下所有可能的進程執(zhí)行序列都會導(dǎo)致死鎖。ANS: unsafe 非安全9. In Deadlock Detection, the O/S periodically performs an algorithm that allows it to detect the ________________ condition.在死鎖檢測中，操作系統(tǒng)周期性的執(zhí)行掃描算法檢測（ ）條件。ANS: circular wait 循環(huán)等待10. Once a deadlock has been detected, some strategy is needed for ___________.一個死鎖被檢測到后，需要（ ）算法。ANS: recovery 恢復(fù)11. One approach to an integrated strategy for dealing with deadlocks involves the implementation of __________________.一個綜合的死鎖解決算法需要用到（ ）。ANS: resource classes 資源分類 12. The Dining Philosopher’s Problem illustrates basic problems in __________________ and __________________.哲學(xué)家就餐問題是（ ）和（ ）的基本例子。ANS: deadlock, starvation 死鎖 饑餓13. The type of pipe that can be shared by unrelated processes is called a(n) __________________ pipe.可以被不相關(guān)的進程共享的UNIX管道稱為（ ）管道。ANS: named 命名14. The thread synchronization primitive that is used to wait until a particular condition is true is called a __________________.用于等待一個特定時間的發(fā)生的Solaris線程同步原語叫做（ ）。ANS: condition variable 條件變量15. In a system, the mutex object is used to enforce mutually exclusive access to a __________________.W2K系統(tǒng)中，互斥對象用于（ ）的互斥分配。ANS: resource 資源 張園超7
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