第二章.htm

清华大学出版得计算机系统结构得答案

<I style="mso-bidi-font-style: normal">&lt;</I>1<I 
style="mso-bidi-font-style: normal">&gt;</I><U>10011001100110011001100</U> 
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<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">2) 
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style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">转换规则：</SPAN><SPAN 
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style="FONT-SIZE: 15pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 楷体_GB2312"><SPAN 
style="mso-list: Ignore">①<SPAN 
style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
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style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">找出尾数中首位为</SPAN><SPAN 
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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'">的第</SPAN><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">K</SPAN><SPAN 
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">位</SPAN><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">(</SPAN><SPAN 
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style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">,</SPAN><SPAN 
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">尾数</SPAN><SPAN 
lang=EN-US 
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style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">；</SPAN><SPAN 
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style="MARGIN-LEFT: 24pt; TEXT-INDENT: -12pt; mso-list: l5 level1 lfo7; tab-stops: list 24.0pt"><![if !supportLists]><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 楷体_GB2312"><SPAN 
style="mso-list: Ignore">②<SPAN 
style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
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style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">尾数左移</SPAN><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">k</SPAN><SPAN 
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">位，移出部分丢掉，右边添加</SPAN><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">0</SPAN><SPAN 
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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: 24pt; TEXT-INDENT: -12pt; mso-list: l5 level1 lfo7; tab-stops: list 24.0pt"><![if !supportLists]><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 楷体_GB2312"><SPAN 
style="mso-list: Ignore">③<SPAN 
style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
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style="FONT-SIZE: 16pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">e</SPAN><SUB><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">2</SPAN></SUB><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">=4</SPAN><SPAN 
lang=EN-US 
style="FONT-SIZE: 16pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">e</SPAN><SUB><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">1</SPAN></SUB><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">125</SPAN><SPAN 
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style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">k<o:p></o:p></SPAN></P>
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style="MARGIN-LEFT: 24pt; TEXT-INDENT: -12pt; mso-list: l5 level1 lfo7; tab-stops: list 24.0pt"><![if !supportLists]><SPAN 
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style="FONT-SIZE: 15pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 楷体_GB2312"><SPAN 
style="mso-list: Ignore">④<SPAN 
style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
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style="FONT-SIZE: 16pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">s</SPAN><SUB><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">2</SPAN></SUB><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">=</SPAN><SPAN 
lang=EN-US 
style="FONT-SIZE: 16pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">s</SPAN><SUB><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">1</SPAN></SUB><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">3)</SPAN><SPAN 
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">转换规则：</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: 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo9; tab-stops: list 18.0pt"><![if !supportLists]><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 楷体_GB2312"><SPAN 
style="mso-list: Ignore">①<SPAN style="FONT: 7pt 'Times New Roman'">&nbsp; 
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style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">e1=(e2-127)/4</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"><o:p></o:p></SPAN></P>
<P class=MsoNormal 
style="MARGIN-LEFT: 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo9; tab-stops: list 18.0pt"><![if !supportLists]><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 楷体_GB2312"><SPAN 
style="mso-list: Ignore">②<SPAN style="FONT: 7pt 'Times New Roman'">&nbsp; 
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style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">e1=e1+63</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"><o:p></o:p></SPAN></P>
<P class=MsoNormal 
style="MARGIN-LEFT: 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo9; tab-stops: list 18.0pt"><![if !supportLists]><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 楷体_GB2312"><SPAN 
style="mso-list: Ignore">③<SPAN style="FONT: 7pt 'Times New Roman'">&nbsp; 
</SPAN></SPAN></SPAN><![endif]><SPAN lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">k=4e<SUP>1</SUP>-e2+127</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"><o:p></o:p></SPAN></P>
<P class=MsoNormal 
style="MARGIN-LEFT: 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo9; tab-stops: list 18.0pt"><![if !supportLists]><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 楷体_GB2312"><SPAN 
style="mso-list: Ignore">④<SPAN style="FONT: 7pt 'Times New Roman'">&nbsp; 
</SPAN></SPAN></SPAN><![endif]><SPAN 
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">右移</SPAN><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">K</SPAN><SPAN 
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">位，将</SPAN><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">0.m1</SPAN><SPAN 
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">转化为</SPAN><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">16</SPAN><SPAN 
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">进制。</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><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312"><o:p>&nbsp;</o:p></SPAN></B></P>
<P class=MsoNormal><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">2.9 
</SPAN></B><B style="mso-bidi-font-weight: normal"><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></B><B 
style="mso-bidi-font-weight: normal"><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></B></P>
<P class=MsoNormal style="TEXT-INDENT: 18pt"><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'">舍入方法为：上舍下入</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="TEXT-INDENT: 18pt"><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'">警戒位位数：</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'">位</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="TEXT-INDENT: 18pt"><SPAN lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">3) 
</SPAN><SPAN 
style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">在正数区的误差范围：－</SPAN><SPAN 
lang=EN-US 
style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 楷体_GB2312">2<SUP>-p-1</SUP>(1-2<SUP>-q+1</SUP>) 
~ 2<SUP>-p-1 <o:p></o:p></SUP></SPAN></P>