[理工] [OS] 幾題是非題

看板Grad-ProbAsk作者 (即使不能說結束)時間16年前 (2010/03/25 00:53), 編輯推噓2(205)
留言7則, 5人參與, 最新討論串1/1
(a) Cache is useful simply beacuse it's faster than memory (b) Timer is nccessary for CPU protection (c) When interrupt occur,the state of running process will transit from RUN to READY immediately. (d) Is the address of interrupt stored in the base register physical? (e) The LRU pag replacement algo always performs well (f) For accessing a regular file on a disk,the "writc" operation are possibly much faster than "read" operation 以上其實比較有問題的是(d).(f) 但是也希望版友能幫看看其他題答案 在下的看法是TTTFFF 希望大家能幫忙解析^^b -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.129.66.113

03/25 01:25, , 1F
perform well = = 這....
03/25 01:25, 1F

03/25 01:27, , 2F
還有C的話,被中斷應該是跑到Block 等待?恐龍的圖
03/25 01:27, 2F

03/25 08:19, , 3F
感覺是TTTTFF ~_~
03/25 08:19, 3F

03/25 09:34, , 4F
TTFFTF 吧
03/25 09:34, 4F

03/25 11:16, , 5F
c是錯的 因為interrupt有可能是去做IO 
03/25 11:16, 5F

03/25 11:17, , 6F
process會跑到waitting state
03/25 11:17, 6F

03/25 13:35, , 7F
為何3、4樓(d)T (e)T 會這樣想呢?
03/25 13:35, 7F
文章代碼(AID): #1BgaEMec (Grad-ProbAsk)