📄 习题一部分参考答案.htm
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<P class=MsoNormal><SPAN lang=EN-US
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</SPAN></SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">计算机实现：计算机组成的物理实现。</SPAN><SPAN
lang=EN-US
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<P class=MsoNormal style="TEXT-INDENT: 21pt"><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">例：对于同样系统结构的</SPAN><SPAN
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style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">IBM</SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">系列机，人们为了提高性能，加入了通道、外围处理机、先行控制、流水线等。而对于组成相仿的两类计算机，器件的集成度、布局等物理实现又可能不同。</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">1.8
</SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">解：对汇编语言程序员而言透明的有：</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312"><SPAN
style="mso-spacerun: yes">
</SPAN></SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">指令缓冲器、时标发生器、乘法器、先行进位链、移位器。</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 63pt; TEXT-INDENT: -63pt"><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">1.11
</SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">解：系列机是指由同一厂家生产并具有相同系统结构的计算机，但具有不同的计算机组成与实现。</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312"><SPAN
style="mso-spacerun: yes">
</SPAN></SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">可行：</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">(1)<SPAN
style="mso-spacerun: yes"> </SPAN>(3<SPAN class=GramE>)<SPAN
style="mso-spacerun: yes"> </SPAN>(</SPAN>4)<SPAN
style="mso-spacerun: yes"> </SPAN>(6)<SPAN
style="mso-spacerun: yes"> </SPAN>(7)<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312"><SPAN
style="mso-spacerun: yes">
</SPAN></SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">不可行：</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">(2)<SPAN
style="mso-spacerun: yes"> </SPAN>(5<SPAN class=GramE>)<SPAN
style="mso-spacerun: yes"> </SPAN>(</SPAN>8)<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">1.17
</SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">解：</SPAN><SPAN
class=SpellE><SPAN lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">Sn</SPAN></SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">
= 1<SPAN class=GramE>/(</SPAN>(1 – Fe) + Fe/Se) = 1/((1 – 0.9) + 0.9/5) =
3.57<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 63pt; TEXT-INDENT: -63pt"><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">1.19
</SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">解：</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">CPI</SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">＝∑</SPAN><SPAN
class=SpellE><SPAN lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">CPI</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 14pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">i</SPAN></SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">×</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">[I</SPAN><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-SIZE: 12pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">i</SPAN></B><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">/<SPAN
class=SpellE>Ic</SPAN>]</SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">＝</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">45000/10<SUP>5</SUP></SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">＋（</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">32000</SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">×</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">2</SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">）</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">/10<SUP>5</SUP></SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">＋（</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">15000</SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">×</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">2</SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">）</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">/10<SUP>5</SUP></SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">＋（</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">8000</SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">×</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">2</SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">）</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">/10<SUP>5</SUP></SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">＝</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">1.55<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312"><SPAN
style="mso-spacerun: yes">
</SPAN>MIPS </SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">＝</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">
(40 </SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">×</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">
10<SUP>6</SUP>)/(1.55 </SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">×</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">
10<SUP>6</SUP>) </SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">＝</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">
25.8MIPS<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312"><SPAN
style="mso-spacerun: yes">
</SPAN>Te </SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">＝</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">
10<SUP>5</SUP>/(25.8 </SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">×</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">
10<SUP>6</SUP>) </SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">＝</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">
3.88ms<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">1.24
</SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">解：</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">CPI
</SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">＝</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">
1</SPAN><SPAN
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">，则有：</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312"><o:p></o:p></SPAN></P>
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