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changing a pointer rather than erasing memory cells

时间:2016-11-16 02:58:40      阅读:217      评论:0      收藏:0      [点我收藏+]

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Computer Science An Overview _J. Glenn Brookshear _11th Edition

In a data structure based on a pointer system, the deletion of an item usually

consists of changing a pointer rather than erasing memory cells. Thus when
an entry in a linked list is deleted, the deleted entry actually remains in
memory until its memory space is required by other data. What ethical and
security issues result from this persistence of deleted data?

changing a pointer rather than erasing memory cells

标签:ons   rom   try   list   his   int   space   div   ica   

原文地址:http://www.cnblogs.com/yuanjiangw/p/6067921.html

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