<html xmlns="http://www.w3.org/1999/xhtml"><head><meta charset="utf-8"><meta name="generator" content="pdf2htmlEX"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><link rel="stylesheet" href="https://csdnimg.cn/release/download_crawler_static/css/base.min.css"><link rel="stylesheet" href="https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css"><link rel="stylesheet" href="https://csdnimg.cn/release/download_crawler_static/12550961/raw.css"><script src="https://csdnimg.cn/release/download_crawler_static/js/compatibility.min.js"></script><script src="https://csdnimg.cn/release/download_crawler_static/js/pdf2htmlEX.min.js"></script><script>try{pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({});}catch(e){}</script><title></title></head><body><div id="sidebar" style="display: none"><div id="outline"></div></div><div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://csdnimg.cn/release/download_crawler_static/12550961/bg1.jpg"><div class="c x1 y1 w2 h2"><div class="t m0 x2 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">2019/5/16</div><div class="t m0 x3 h4 y3 ff2 fs0 fc0 sc0 ls1 ws0">王道考研<span class="ff1 ls2">/c<span class="_ _0"></span>s<span class="_ _0"></span>ka<span class="_ _0"></span>oya<span class="_ _0"></span>n<span class="_ _0"></span>.<span class="_ _0"></span>co<span class="_ _0"></span>m<span class="_ _1"> </span><span class="ls1">1</span></span></div></div><div class="c x4 y4 w3 h5"><div class="t m1 x5 h6 y5 ff3 fs1 fc1 sc0 ls1 ws0">王道考研<span class="ls3">/CSKAOYA<span class="_ _2"></span>N.COM</span></div><div class="t m2 x6 h7 y6 ff2 fs2 fc2 sc1 ls1 ws0">课程说明</div></div><div class="c x4 y7 w3 h5"><div class="t m1 x5 h6 y5 ff3 fs1 fc1 sc0 ls1 ws0">王道考研<span class="ls3">/CSKAOYA<span class="_ _2"></span>N.COM</span></div><div class="t m2 x7 h7 y6 ff2 fs2 fc2 sc1 ls1 ws0">大家熟悉的操作系统</div></div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div></body></html>
<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://csdnimg.cn/release/download_crawler_static/12550961/bg2.jpg"><div class="c x1 y1 w2 h2"><div class="t m0 x2 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">2019/5/16</div><div class="t m0 x3 h4 y3 ff2 fs0 fc0 sc0 ls1 ws0">王道考研<span class="ff1 ls2">/c<span class="_ _0"></span>s<span class="_ _0"></span>ka<span class="_ _0"></span>oya<span class="_ _0"></span>n<span class="_ _0"></span>.<span class="_ _0"></span>co<span class="_ _0"></span>m<span class="_ _1"> </span><span class="ls1">2</span></span></div></div><div class="c x4 y4 w3 h5"><div class="t m3 x8 h8 y8 ff2 fs3 fc3 sc0 ls1 ws0">本节内容</div><div class="t m3 x7 h9 y9 ff2 fs4 fc0 sc0 ls1 ws0">操作系统的</div><div class="t m3 x9 ha ya ff2 fs5 fc0 sc0 ls1 ws0">概念（定义）</div><div class="t m3 xa ha yb ff2 fs5 fc0 sc0 ls1 ws0">功能和目标</div><div class="t m3 x5 h6 y5 ff3 fs1 fc1 sc0 ls1 ws0">王道考研<span class="ls3">/CSKAOYA<span class="_ _2"></span>N.COM</span></div></div><div class="c x4 y7 w3 h5"><div class="t m3 x5 h6 y5 ff3 fs1 fc1 sc0 ls1 ws0">王道考研<span class="ls3">/CSKAOYA<span class="_ _2"></span>N.COM</span></div><div class="t m2 x6 h7 y6 ff2 fs2 fc2 sc1 ls1 ws0">知识总览</div><div class="t m3 xb hb yc ff2 fs6 fc3 sc0 ls1 ws0">什么是操</div><div class="t m3 xc hb yd ff2 fs6 fc3 sc0 ls1 ws0">作系统</div><div class="t m3 xd hb ye ff2 fs6 fc3 sc0 ls1 ws0">操作系统要做些</div><div class="t m3 xc hb yf ff2 fs6 fc3 sc0 ls1 ws0">什么？</div></div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>
<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://csdnimg.cn/release/download_crawler_static/12550961/bg3.jpg"><div class="c x1 y1 w2 h2"><div class="t m0 x2 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">2019/5/16</div><div class="t m0 x3 h4 y3 ff2 fs0 fc0 sc0 ls1 ws0">王道考研<span class="ff1 ls2">/c<span class="_ _0"></span>s<span class="_ _0"></span>ka<span class="_ _0"></span>oya<span class="_ _0"></span>n<span class="_ _0"></span>.<span class="_ _0"></span>co<span class="_ _0"></span>m<span class="_ _1"> </span><span class="ls1">3</span></span></div></div><div class="c x4 y4 w3 h5"><div class="t m1 x5 h6 y5 ff3 fs1 fc1 sc0 ls1 ws0">王道考研<span class="ls3">/CSKAOYA<span class="_ _2"></span>N.COM</span></div><div class="t m2 xe h7 y6 ff2 fs2 fc2 sc1 ls1 ws0">操作系统的概念（定义）</div><div class="t m3 xf hb y10 ff2 fs6 fc0 sc0 ls1 ws0">一台电脑的诞生<span class="ff1">~</span></div><div class="t m3 xf hb y11 ff1 fs6 fc0 sc0 ls4 ws0">Step<span class="_ _3"> </span><span class="ls1">1<span class="ff2">：厂家组装一台裸机</span></span></div><div class="t m3 xf hb y12 ff1 fs6 fc0 sc0 ls4 ws0">Step<span class="_ _3"> </span><span class="ls1">2<span class="ff2">：出售前安装操作系统</span></span></div><div class="t m3 xf hb y13 ff1 fs6 fc0 sc0 ls4 ws0">Step<span class="_ _3"> </span><span class="ls1">3<span class="ff2">：用户安装应用程序（</span><span class="ls5">eg</span><span class="ff2">：</span><span class="ls6">QQ</span><span class="ff2">）</span></span></div><div class="t m3 xf hb y14 ff1 fs6 fc0 sc0 ls4 ws0">Step<span class="_ _3"> </span><span class="ls1">4<span class="ff2">：使用<span class="_ _3"> </span></span><span class="ls6">QQ<span class="_ _3"> </span></span><span class="ff2">聊天</span></span></div><div class="t m3 x10 hb y15 ff2 fs6 fc3 sc0 ls1 ws0">裸机（纯硬件）</div><div class="t m3 x11 hb y16 ff2 fs6 fc3 sc0 ls1 ws0">操作系统</div><div class="t m3 x12 hb y17 ff2 fs6 fc3 sc0 ls1 ws0">应用程序（软件）</div><div class="t m3 x13 hb y18 ff2 fs6 fc3 sc0 ls1 ws0">裸机：包含<span class="_ _3"> </span><span class="ff1 ls7">CPU</span>、内存、硬</div><div class="t m3 x14 hb y19 ff2 fs6 fc3 sc0 ls1 ws0">盘、主板等</div><div class="t m3 x15 hb y1a ff2 fs6 fc3 sc0 ls1 ws0">应用程序：如<span class="ff1 ls6">QQ</span>、刀塔、英雄</div><div class="t m3 x16 hb y1b ff2 fs6 fc3 sc0 ls1 ws0">联盟、绝地求生、迅雷、快播<span class="ff1">…</span></div><div class="t m3 x17 hb y1c ff2 fs6 fc0 sc0 ls1 ws0">计算机系统的层次结构</div><div class="t m3 x18 hb y1d ff2 fs6 fc3 sc0 ls1 ws0">用户</div><div class="t m3 x15 hb y16 ff2 fs6 fc3 sc0 ls1 ws0">如：<span class="ff1 ls8">Windows<span class="_ _3"> </span><span class="ls9">10</span></span></div></div><div class="c x4 y7 w3 h5"><div class="t m3 x5 h6 y5 ff3 fs1 fc1 sc0 ls1 ws0">王道考研<span class="ls3">/CSKAOYA<span class="_ _2"></span>N.COM</span></div><div class="t m2 xe h7 y6 ff2 fs2 fc2 sc1 ls1 ws0">操作系统的概念（定义）</div><div class="t m3 x19 hb y1e ff2 fs6 fc4 sc0 ls1 ws0">操作系统<span class="fc0">（<span class="ff1 lsa">Operating<span class="_ _3"> </span><span class="lsb">System<span class="_ _0"></span></span></span>，<span class="_ _3"> </span><span class="ff1 lsa">OS</span>）是指控制和</span>管理<span class="fc0">整个计算机系统的</span>硬件和软件<span class="fc0">资源，并合理地组织调</span></div><div class="t m3 x19 hb y1f ff2 fs6 fc0 sc0 ls1 ws0">度计算机的工作和资源的分配；以<span class="fc4">提供给用户和其他软件方便的接口和环境</span>；它是计算机系统中最基本</div><div class="t m3 x19 hb y20 ff2 fs6 fc0 sc0 ls1 ws0">的<span class="fc4">系统软件</span>。</div><div class="t m3 x19 hb y21 ff2 fs6 fc0 sc0 ls1 ws0">直观的例子：打开<span class="_"> </span>Windows 操作系统的“任务管理器”（快捷键：Ctrl+Alt+Del）</div><div class="t m3 x1a hb y22 ff2 fs6 fc0 sc0 ls1 ws0">对软件的管理<span class="_ _4"> </span>对硬件的管理</div><div class="t m3 x1b hb y23 ff2 fs6 fc3 sc0 ls1 ws0">裸机（纯硬件）</div><div class="t m3 x5 hb y24 ff2 fs6 fc3 sc0 ls1 ws0">操作系统</div><div class="t m3 x1c hb y25 ff2 fs6 fc3 sc0 ls1 ws0">应用程序（软件）</div><div class="t m3 x1d hb y26 ff2 fs6 fc3 sc0 ls1 ws0">用户</div><div class="t m3 x1e hb y27 ff2 fs6 fc3 sc0 ls1 ws0">①</div><div class="t m3 x1f hb y28 ff2 fs6 fc3 sc0 ls1 ws0">②</div><div class="t m3 x20 hb y29 ff2 fs6 fc3 sc0 ls1 ws0">③</div><div class="t m3 x21 hb y2a ff2 fs6 fc3 sc0 ls1 ws0">①操作系统是系</div><div class="t m3 x21 hb y2b ff2 fs6 fc3 sc0 ls1 ws0">统资源的管理者</div><div class="t m3 x22 hb y2c ff2 fs6 fc3 sc0 ls1 ws0">②向上层提供方便易用的服务</div><div class="t m3 x23 hb y2d ff2 fs6 fc3 sc0 ls1 ws0">③是最接近硬件的一层软件</div></div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>
20操作系统课件.zip （58个子文件） 
20操作系统课件 
3.1_3_覆盖与交换.pdf 379KB
