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虚拟存储器(OPT,FIFO,LRU),带三份报告,课程设计

于 2020-12-01 发布
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一、实验目的1、了解虚拟存储器的基本原理和实现方法。2、掌握几种页面置换算法。二、实验内容设计模拟实现采用不同内外存调度算法进行页面置换,并计算缺页率。三、实验原理内存在计算机中的作用很大,电脑中所有运行的程序都需要经过内存来执行,如果执行的程序很大或很多,就会导致内存消耗殆尽。为了解决这个问题,Window中运用了虚拟内存技术,即拿出一部分硬盘空间来充当内存使用,当内存占用完时,电脑就会自动调用硬盘来充当内存,以缓解内存的紧张。虚拟存储器是指具有请求调入功能和置换功能,能从逻辑上对内存容量加以扩充的一种存储器系统。它是采用一定的方法将一定的外存容量模拟成内存,同时对程序进出

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