某系统采用了银行家算法,则下列叙述正确的是( )。 A:系统处于不安全状态时一定会发生死锁 B:系统处于不安全状态时可能会发生死锁 C:系统处于安全状态时可能会发生死锁 D:系统处于安全状态时一定会发生死锁 答案: 系统处于不安全状态时可能会发生死锁 点我阅读全文
死锁的防止是根据( )采取措施实现的。 A:配置足够的系统资源 B:防止系统进入不安全状态 C:破坏产生死锁的四个必要条件之一 D:使进程的推进顺序合理 答案: 破坏产生死锁的四个必要条件之一 点我阅读全文
We have succeeded because we had the ___ to invest in the flourishing real estate(房地产). 答案: foresight 点我阅读全文
The purchase of 500 tanks is part of a strategy to increase military (军事的) ______ by 25% over the next four years. 答案: capacity 点我阅读全文
简述临界区调度的原则。 评分规则: ⑴一次至多一个进程能够进入临界区内执行;(1分)⑵如果已有进程在临界区,其他试图进入的进程应等待;(1分)⑶进入临界区内的进程应在有限时间内退出,以便让等待进程中的一个进入。(2分) 点我阅读全文
A China Northern Airlines passenger plane _ in the sea last night near Dalian, a port city in north China’s Liaoning Province. 答案: crashed 点我阅读全文
Use this address book to _ a directory of the e-mail addresses and telephone numbers of our friends. 答案: maintain 点我阅读全文
The Minister confirmed the Government’s decision to amend citizenship legislation to allow Australians who _ another citizenship to retain their Australian citizenship. 答案: acquire 点我阅读全文