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<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://static.pudn.com/prod/directory_preview_static/62b19226dfc5ee1968898378/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">此文档为模型计算机的电路说明文档。共分为四个部分。具体如下:</div><div class="t m0 x1 h3 y3 ff1 fs0 fc0 sc0 ls0 ws0">第一部分:<span class="ff2">ALU</span>,<span class="ff2">PC<span class="_ _0"> </span></span>及<span class="_ _0"> </span><span class="ff2">I/O<span class="_ _0"> </span></span>部分</div><div class="t m0 x1 h3 y4 ff2 fs0 fc0 sc0 ls0 ws0">1<span class="ff1">.</span>PC<span class="ff1">(</span>74LS161<span class="ff1">)</span> </div><div class="t m0 x2 h3 y5 ff1 fs0 fc0 sc0 ls0 ws0">图<span class="ff2"> X-1</span></div><div class="t m0 x1 h3 y6 ff1 fs0 fc0 sc0 ls0 ws0">图<span class="_ _0"> </span><span class="ff2">X-2</span></div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>
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