📄 5-2.htm
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<p class=MsoNormal align=right style='text-align:right'><a name="_top"></a><b><span
style='font-size:26.0pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman";color:#993366'>实验</span></b><b><i
style='mso-bidi-font-style:normal'><span lang=EN-US style='font-size:55.0pt;
mso-bidi-font-size:12.0pt;color:#993366'>5</span></i><span lang=EN-US
style='color:#993366'><o:p></o:p></span></b></p>
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</v:shape><![endif]--><![if !vml]><img width=729 height=46
src="5-2.files/image002.jpg" align=left hspace=12 v:shapes="_x0000_s1609"><![endif]><b><span
style='font-size:24.0pt;mso-bidi-font-size:12.0pt;font-family:黑体;mso-ascii-font-family:
"Times New Roman";color:navy'>存储管理</span></b><b><span lang=EN-US
style='font-size:16.0pt;mso-bidi-font-size:12.0pt;mso-fareast-font-family:黑体;
color:navy'><span style='mso-spacerun:yes'> </span></span></b></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<h2><a name="_Toc16587483"></a><a name="_Toc45715736"></a><a name="_Toc36437026"><span
style='mso-bookmark:_Toc45715736'><span style='mso-bookmark:_Toc16587483'><span
lang=EN-US>5.2<span style='mso-spacerun:yes'> </span>Windows 2000</span></span></span></a><span
style='mso-bookmark:_Toc45715736'><span style='mso-bookmark:_Toc16587483'>内存结构</span></span><span
style='mso-bookmark:_Toc16587483'></span></h2>
<p class=MsoNormal align=center style='text-align:center'><span
style='mso-bookmark:_Toc16587483'><span lang=EN-US>(</span></span><span
style='mso-bookmark:_Toc16587483'><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>实验估计时间：</span><span
lang=EN-US>120</span></span><span style='mso-bookmark:_Toc16587483'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>分钟</span><span lang=EN-US>)</span></span></p>
<p class=MsoNormal><span style='mso-bookmark:_Toc16587483'><span lang=EN-US><o:p> </o:p></span></span></p>
<p class=MsoNormal style='margin-left:21.0pt;text-indent:-21.0pt;mso-list:l0 level1 lfo2;
tab-stops:list 21.0pt'><span style='mso-bookmark:_Toc16587483'><![if !supportLists]><span
lang=EN-US style='font-family:Wingdings;mso-fareast-font-family:Wingdings;
mso-bidi-font-family:Wingdings;mso-bidi-font-weight:bold'><span
style='mso-list:Ignore'>Ø<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]></span><a href="#_背景知识"><span style='mso-bookmark:
_Toc16587483'><b><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>背景知识</span></b></span><span
style='mso-bookmark:_Toc16587483'></span></a><span style='mso-bookmark:_Toc16587483'><b><span
lang=EN-US><o:p></o:p></span></b></span></p>
<p class=MsoNormal style='margin-left:21.0pt;text-indent:-21.0pt;mso-list:l0 level1 lfo2;
tab-stops:list 21.0pt'><span style='mso-bookmark:_Toc16587483'><![if !supportLists]><span
lang=EN-US style='font-family:Wingdings;mso-fareast-font-family:Wingdings;
mso-bidi-font-family:Wingdings;mso-bidi-font-weight:bold'><span
style='mso-list:Ignore'>Ø<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]></span><a href="#_实验目的"><span style='mso-bookmark:
_Toc16587483'><b><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>实验目的</span></b></span><span
style='mso-bookmark:_Toc16587483'></span></a><span style='mso-bookmark:_Toc16587483'><b><span
lang=EN-US><o:p></o:p></span></b></span></p>
<p class=MsoNormal style='margin-left:21.0pt;text-indent:-21.0pt;mso-list:l0 level1 lfo2;
tab-stops:list 21.0pt'><span style='mso-bookmark:_Toc16587483'><![if !supportLists]><span
lang=EN-US style='font-family:Wingdings;mso-fareast-font-family:Wingdings;
mso-bidi-font-family:Wingdings;mso-bidi-font-weight:bold'><span
style='mso-list:Ignore'>Ø<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]></span><a href="#_工具/准备工作"><span
style='mso-bookmark:_Toc16587483'><b><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>工具</span><span
lang=EN-US>/</span></b></span><span style='mso-bookmark:_Toc16587483'><b><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>准备工作</span></b></span><span style='mso-bookmark:_Toc16587483'></span></a><span
style='mso-bookmark:_Toc16587483'><b><span lang=EN-US><o:p></o:p></span></b></span></p>
<p class=MsoNormal style='margin-left:21.0pt;text-indent:-21.0pt;mso-list:l0 level1 lfo2;
tab-stops:list 21.0pt'><span style='mso-bookmark:_Toc16587483'><![if !supportLists]><span
lang=EN-US style='font-family:Wingdings;mso-fareast-font-family:Wingdings;
mso-bidi-font-family:Wingdings;mso-bidi-font-weight:bold'><span
style='mso-list:Ignore'>Ø<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]></span><a href="#_实验内容与步骤"><span
style='mso-bookmark:_Toc16587483'><b><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>实验内容与步骤</span></b></span><span
style='mso-bookmark:_Toc16587483'></span></a><span style='mso-bookmark:_Toc16587483'><b><span
lang=EN-US><o:p></o:p></span></b></span></p>
<p class=MsoNormal><span style='mso-bookmark:_Toc16587483'><span lang=EN-US><o:p> </o:p></span></span></p>
<h3><span style='mso-bookmark:_Toc16587483'><a name="_Toc45715737"></a><a
name="_Toc36437027"></a><a name="_背景知识"></a><span style='mso-bookmark:_Toc45715737'><span
style='mso-bookmark:_Toc36437027'>背景知识</span></span></span></h3>
<p class=MsoNormal style='text-indent:21.0pt'><span style='mso-bookmark:_Toc16587483'><a
name="_Toc36437028"><span lang=EN-US>Windows 2000</span></a></span><span
style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437028'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>是</span><span lang=EN-US>32</span></span></span><span
style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437028'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>位的操作系统，它使计算机</span><span lang=EN-US>CPU</span></span></span><span
style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437028'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>可以用</span><span lang=EN-US>32</span></span></span><span
style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437028'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>位地址对</span><span lang=EN-US>32</span></span></span><span
style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437028'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>位内存块进行操作。内存中的每一个字节都可以用一个</span><span lang=EN-US>32</span></span></span><span
style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437028'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>位的指针来寻址。这样，最大的存储空间就是</span><span lang=EN-US>2</span></span></span><span
style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437028'><sup><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>32</span></sup></span></span><span
style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437028'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>字节或</span><span lang=EN-US>4000</span></span></span><span
style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437028'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>兆字节</span><span lang=EN-US> (4GB) </span></span></span><span
style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437028'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>。这样，在</span><span lang=EN-US>Windows</span></span></span><span
style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437028'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>下运行的每一个应用程序都认为能独占可能的</span><span lang=EN-US>4GB</span></span></span><span
style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437028'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>大小的空间。</span></span></span></p>
<p class=MsoNormal style='text-indent:21.0pt'><span style='mso-bookmark:_Toc16587483'><span
style='mso-bookmark:_Toc36437028'><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>而另一方面，实际上没有几台机器的</span><span
lang=EN-US>RAM</span></span></span><span style='mso-bookmark:_Toc16587483'><span
style='mso-bookmark:_Toc36437028'><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>能达到</span><span
lang=EN-US>4GB</span></span></span><span style='mso-bookmark:_Toc16587483'><span
style='mso-bookmark:_Toc36437028'><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>，更不必说让每个进程都独享</span><span
lang=EN-US>4GB</span></span></span><span style='mso-bookmark:_Toc16587483'><span
style='mso-bookmark:_Toc36437028'><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>内存了。</span><span
lang=EN-US>Windows</span></span></span><span style='mso-bookmark:_Toc16587483'><span
style='mso-bookmark:_Toc36437028'><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>在幕后将虚拟内存</span><span
lang=EN-US> (virtual memory</span></span></span><span style='mso-bookmark:_Toc16587483'><span
style='mso-bookmark:_Toc36437028'><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>，</span><span
lang=EN-US>VM) </span></span></span><span style='mso-bookmark:_Toc16587483'><span
style='mso-bookmark:_Toc36437028'><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>地址映射到了<span
class=GramE>各进程</span>的物理内存地址上。而所谓物理内存是指计算机的</span><span lang=EN-US>RAM</span></span></span><span
style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437028'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>和由</span><span lang=EN-US>Windows</span></span></span><span
style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437028'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>分配到用户驱动器根目录上的换页文件。物理内存完全由系统管理。</span></span></span><a
href="#_top"><span style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:
_Toc36437028'><span lang=EN-US style='text-decoration:none;text-underline:none'><!--[if gte vml 1]><v:shape
id="_x0000_i1025" type="#_x0000_t75" style='width:45pt;height:17.25pt'>
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style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437028'></span></span></p>
<h3><span style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437028'><a
name="_Toc45715738"></a><a name="_实验目的"></a><span style='mso-bookmark:_Toc45715738'>实验目的</span></span></span></h3>
<p class=MsoNormal style='text-indent:21.0pt'><span style='mso-bookmark:_Toc16587483'><a
name="_Toc36437029"><span lang=EN-US>1) </span></a></span><span
style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437029'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>通过实验了解</span><span lang=EN-US>Windows 2000</span></span></span><span
style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437029'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>内存的使用，学习如何在应用程序中管理内存，体会</span><span lang=EN-US>Windows</span></span></span><span
style='mso-bookmark:_Toc16587483'><span style='mso-bookmark:_Toc36437029'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
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