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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>第 17 章 计算机体系结构基础</title><link rel="stylesheet" href="styles.css" type="text/css" /><meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /><link rel="start" href="index.html" title="Linux C编程一站式学习" /><link rel="up" href="pt02.html" title="部分 II. C语言本质" /><link rel="prev" href="ch16s04.html" title="4. 运算符总结" /><link rel="next" href="ch17s01.html" title="1. 内存与地址" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">第 17 章 计算机体系结构基础</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch16s04.html">上一页</a> </td><th width="60%" align="center">部分 II. C语言本质</th><td width="20%" align="right"> <a accesskey="n" href="ch17s01.html">下一页</a></td></tr></table><hr /></div><div class="chapter" lang="zh-cn" xml:lang="zh-cn"><div class="titlepage"><div><div><h2 class="title"><a id="id2766056"></a>第 17 章 计算机体系结构基础</h2></div></div></div><div class="toc"><p><b>目录</b></p><dl><dt><span class="sect1"><a href="ch17s01.html">1. 内存与地址</a></span></dt><dt><span class="sect1"><a href="ch17s02.html">2. CPU</a></span></dt><dt><span class="sect1"><a href="ch17s03.html">3. 设备</a></span></dt><dt><span class="sect1"><a href="ch17s04.html">4. MMU</a></span></dt><dt><span class="sect1"><a href="ch17s05.html">5. Memory Hierarchy</a></span></dt></dl></div><p>现代计算机都是基于Von Neumann体系结构<a id="id2766071" class="indexterm"></a>的,不管是嵌入式系统、PC还是服务器。这种体系结构的主要特点是:CPU(CPU,Central Processing Unit,中央处理器,或简称处理器Processor)<a id="id2765443" class="indexterm"></a><a id="id2765453" class="indexterm"></a>和内存(Memory)<a id="id2765465" class="indexterm"></a>是计算机的两个主要组成部分,内存中保存着数据和指令,CPU从内存中取指令(Fetch)<a id="id2766080" class="indexterm"></a>执行,其中有些指令让CPU做运算,有些指令让CPU读写内存中的数据。本章简要介绍组成计算机的CPU、内存和设备以及它们之间的关系,为后续章节的学习打下基础。</p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch16s04.html">上一页</a> </td><td width="20%" align="center"><a accesskey="u" href="pt02.html">上一级</a></td><td width="40%" align="right"> <a accesskey="n" href="ch17s01.html">下一页</a></td></tr><tr><td width="40%" align="left" valign="top">4. 运算符总结 </td><td width="20%" align="center"><a accesskey="h" href="index.html">起始页</a></td><td width="40%" align="right" valign="top"> 1. 内存与地址</td></tr></table></div></body></html>