作者gn01642884 (領域中人)
看板Grad-ProbAsk
標題[理工] [作業系統]system call
時間Sat Dec 12 15:02:06 2009
Which event 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 suspended
(C)the service routune in OS is invoked
(D)the parameters may be passed by registers or a memory block with
the starting address in a register
答案是Ｂ...完全不懂為什麼
我覺得以上四個答案都對說...
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1F：推 MARGHT:我想是不是因為他只是降到kernel mode去執行，而不是停止！ 12/15 02:54