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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-7">
<title>Computer Science 101: Data Abstraction</title>
<meta name="description" content="Teaching Slides for Computer Science 101">
<meta name="author" content="Gregory M. Kapfhammer">
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<body>
<div class="reveal">
<div class="slides">
<section data-background-transition="none" data-background="https://images.unsplash.com/photo-1452860606245-08befc0ff44b" style="background: rgba(29,31,33,0.9)">
<h1>Computer Science 101</h1>
<h2>Data Abstraction</h2>
<p>Gregory M. Kapfhammer</p>
</section>
<section>
<h1>Color Scheme</h1>
<p class="fragment"><b class="orange">Key Concept</b></p>
<p class="fragment"><b class="purple">Corresponding Diagram</b></p>
<p class="fragment"><b class="green">In-Class Discussion</b></p>
<p class="fragment"><b class="red">In-Class Activity</b></p>
<p class="fragment"><b class="blue">Details in the Textbook</b></p>
</section>
<section>
<h1><b class="orange">Linear data structures</b></h1>
</section>
<section>
<h1><b class="orange">Hierarchical data structures</b></h1>
</section>
<section>
<h1><b class="orange">Trees are like linked lists but ...</b></h1>
</section>
<section>
<h1><b class="orange">... they have "parent child" relationships!</b></h1>
</section>
<section>
<h1><b class="green">Benefits of using trees?</b></h1>
</section>
<section>
<h1><b class="green">Drawbacks of using trees?</b></h1>
</section>
<section data-background-transition="none" data-background="https://farm1.static.flickr.com/92/268614531_c546faba1e_b.jpg" style="">
</section>
<section data-background-transition="none" data-background="https://farm1.static.flickr.com/92/268614531_c546faba1e_b.jpg" style="background: rgba(29,31,33,0.9)">
<h1 id="primitive_data_types">Tree Type</h1>
<p class="fragment">A tree is a set of nodes</p>
<p class="fragment">It stores data elements hierarchically</p>
<p class="fragment">It contains a root node</p>
<p class="fragment">It contains internal/external node(s)</p>
<p class="fragment">The nodes have a parent-child relationship</p>
<p class="fragment"><b class="green">What does this look like in memory?</b></p>
<br /><small><a title="no dogs allowed" href="https://flickr.com/photos/derekdiamond/268614531">flickr photo</a> shared by <a href="https://flickr.com/people/derekdiamond">Derek Severson</a> under a <a href="https://creativecommons.org/licenses/by-nc-nd/2.0/">Creative Commons ( BY-NC-ND ) license</a> </small>
</section>
<section data-background-transition="none" data-background="https://farm1.static.flickr.com/92/268614531_c546faba1e_b.jpg" style="background: rgba(29,31,33,0.9)">
<h1 id="primitive_data_types_not">Tree Type</h1>
<p class="fragment">A node can have an ... ancestor</p>
<p class="fragment"> ... sibling</p>
<p class="fragment"> ... descendant</p>
<p class="fragment">A tree can contain a ... subtree</p>
<p class="fragment"> ... a path of nodes </p>
<p class="fragment"><b class="green">Any questions about trees?</b></p>
<br /><small><a title="no dogs allowed" href="https://flickr.com/photos/derekdiamond/268614531">flickr photo</a> shared by <a href="https://flickr.com/people/derekdiamond">Derek Severson</a> under a <a href="https://creativecommons.org/licenses/by-nc-nd/2.0/">Creative Commons ( BY-NC-ND ) license</a> </small>
</section>
<section>
<h1><b class="orange">Ordered trees</b></h1>
</section>
<section>
<h1><b class="orange">Un-ordered trees</b></h1>
</section>
<section>
<h1><b class="green">Trade-offs of ordering?</b></h1>
</section>
<section>
<h1><b class="orange">Depth of a node = number of ancestors</b></h1>
</section>
<section>
<h1><b class="orange">Tree height = depth of "deepest" node</b></h1>
</section>
<section>
<h1><b class="orange">Binary trees</b></h1>
</section>
<section>
<h1><b class="orange">General trees</b></h1>
</section>
<section>
<h1><b class="orange">Tree traversal</b></h1>
</section>
<section>
<h1><b class="green">Any questions about trees?</b></h1>
</section>
<section>
<h1><b class="orange">We will investigate these issues in assignments!</b></h1>
</section>
</div>
</div>
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