[作業系統]基本概念

看板Grad-ProbAsk作者TokiyoHot (東京熱死胖子)時間13年前 (2012/11/23 19:31)推噓6(6推 0噓 14→)

留言20則, 7人參與討論串1/1

1. Which of the following statement is correct? (A)For the interrupt which is masked, the interrupt still notifies the CPU but the CPU does not process the request. (B)Software interrupt also goes through the interrupt controller tonotify the CPU. (C)Events are almost always signaled by the occurrence of an interrupt or a trap. 2. Which events are not occurred when an application makes a system call? (A)the CPU mode is changed from user mode to system mode (B)this application is temporary suspened (C)the service routine in OS is invoked (D)the parameters may be passed by registers or a memory block with the start address in a register 3. 是非題 (1).After a user program starts an I/O operation, it has to wait for the completion of the I/O operation to resume its program execution. (2).Interrupt vector tells us the port addresses of the I/O controllers. (3).page tables can be used to protect system resources. 作業系統好難> < 拜託各位了... -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.123.237.64 ※ 編輯: TokiyoHot 來自: 140.123.237.64 (11/23 19:41) ※ 編輯: TokiyoHot 來自: 140.123.237.64 (11/23 21:56) ※ 編輯: TokiyoHot 來自: 140.123.237.64 (11/23 22:01)

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