tait.tech/_site/melody/cmpt-295/activities/02/02.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title> | tait.tech</title>
  <link rel="stylesheet" href="/assets/css/style.css">
  <meta name="viewport" content="width=device-width, initial-scale=1.0"><link rel="stylesheet" href="/assets/css/katex.css">

</head>
<body>
  <main>
    <div id="wrapper">
      <h1 id="participation-activity-2">Participation Activity 2</h1>

<h2 id="1">1</h2>

<p>Rounding <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>M</mi><mo>=</mo><msub><mtext>1.10000101001110100101011101</mtext><mn>2</mn></msub></mrow><annotation encoding="application/x-tex">M = \text{1.10000101001110100101011101}_{2}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.68333em;vertical-align:0em;"></span><span class="mord mathnormal" style="margin-right:0.10903em;">M</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:0.79444em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord text"><span class="mord">1.10000101001110100101011101</span></span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight">2</span></span></span></span></span><span class="vlist-s"></span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> would produce the following <code class="language-plaintext highlighter-rouge">frac</code>: True or False?</p>

<!--_ Need to put an underscore here to stop my editor from showing everything in italics lol!-->

<table>
  <thead>
    <tr>
      <th>s</th>
      <th>exp</th>
      <th>frac</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>N/A</td>
      <td>N/A</td>
      <td>10000101001110100101011</td>
    </tr>
  </tbody>
</table>

<h2 id="2">2</h2>

<p>These C statements print 1 (true) on the screen as the result of executing <code class="language-plaintext highlighter-rouge">aFloat == anInt</code>: True or False?</p>

<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>float aFloat = 12345; int anInt = aFloat;
printf("%.2f == %d -&gt; %d", aFloat, anInt, aFloat==anInt);
</code></pre></div></div>

<h2 id="3">3</h2>

<p>If we have:</p>

<table>
  <tbody>
    <tr>
      <td>Register/Address</td>
      <td>Value</td>
    </tr>
    <tr>
      <td>%rax</td>
      <td>0x0100</td>
    </tr>
    <tr>
      <td>%rbx</td>
      <td>0x0200</td>
    </tr>
    <tr>
      <td>%rcx</td>
      <td>128</td>
    </tr>
    <tr>
      <td>0x0600</td>
      <td>5</td>
    </tr>
    <tr>
      <td>0x0400</td>
      <td>256</td>
    </tr>
    <tr>
      <td>0x0610</td>
      <td>8</td>
    </tr>
  </tbody>
</table>

<p><code class="language-plaintext highlighter-rouge">%crx</code> would contain 5 once the following instruction has been executed: True or False?</p>

<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>movq 0x10(%rbx,%rax,4), %rcx
</code></pre></div></div>

      <footer>
      </footer>
    </div>
  </main>
</body>
</html>