1.In an attempt to access an invalid or protected memory address, jumping through a null pointer on most UNIX systems causes an illegal instruction some time after trying to execute whatever "garbage" happened to be in address 0. In Windows NT, problems occur in the area of the instruction fetch because of the guard pages at the top and bottom of memory.
Referring to the text above, what type of error has occurred on both platforms?
Choice 1
Protected operation violation (POV)
Choice 2
Allocation violation
Choice 3
Shared memory violation
Choice 4
Access Control Entry (ACE)
Choice 5
Access violation作者: testing 时间: 2005-11-12 11:01
是不是应该选4？作者: 423799223 时间: 2006-12-12 18:47
E文太多
好多不识作者: RuisTar 时间: 2006-12-14 10:23 标题: 帖子都发了一年多了，还没答案啊？ sdlkfj4 帖子都发了一年多了，还没答案啊？作者: wyalgl 时间: 2007-8-1 19:07
ddddddddd作者: yuxuan555269 时间: 2007-11-28 13:54
两年多了也还没答案呢