[理工] [OS]-system call

看板Grad-ProbAsk作者 (領域中人)時間16年前 (2009/12/12 15:02), 編輯推噓1(100)
留言1則, 1人參與, 最新討論串1/1
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... -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 114.38.109.11

12/15 02:54, , 1F
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, 1F
文章代碼(AID): #1B8p_mch (Grad-ProbAsk)