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请简单说明你选择的理由，谢谢
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 |
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发表于 2005-11-8 11:57:16
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发表于 2005-11-12 11:01:09
