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37 lines
2.5 KiB
HTML
37 lines
2.5 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>ciao.urca.tv, richfolks.club to wijnhaven</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial=scale=1.0">
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<link rel="stylesheet" type="text/css" href="style.css" media="screen"/>
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</head>
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<body>
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<main>
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<img id="line" src="gps_drawings/ciao_to_wijnhaven.svg">
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<div class="text">
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<picture class="drawing">
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<source media="(max-width: 1280px)" srcset="img/star_topology_wht_640.jpg">
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<img class="drawing" src="img/star_topology_wht.jpg" />
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</picture>
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<h2 id="abstraction">Abstraction</h2>
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<p>To abstract is to pull or draw away rules and concepts in general from specific examples, first principles, literal signifiers, and other methods. So, abstraction becomes a conceptual process of creating super-categorical representatives for subordinate concepts, connecting related concepts as a group, field or category.</p>
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<h2 id="abstractionLayers">Abstraction layers</h2>
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<p>Computer scientists use abstraction layers to make conceptual models that can be re-used and applied widely without having to write code again. For example, using a computer program language allows source code to be translated into machine code which can be used on various different machines. This separates a framework (a categorical concept of writing a program) from specific implementation, thus making the abstraction a categorical concept of the solution.</p>
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<em>A layer is considered to be on top of another if it <a href="please_to_wijnhaven.html#dependencies">depends</a> on it. Every layer can exist without the layers above it, and requires the layers below it to function. Frequently abstraction layers can be composed into a hierarchy of abstraction levels. The OSI model comprises seven abstraction layers. Each layer of the model encapsulates and addresses a different part of the needs of digital communications, thereby reducing the complexity of the associated engineering solutions.</em>
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<h2 id="autonomy">Autonomy</h2>
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<p><a href="beetroot_to_wijnhaven.html#taz">Autonomy</a> is the freedom to make an informed, uncoerced decision. Autonomous organisations, institutions and individuals have independence and the ability to self-govern.</p>
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<img class="drawing" id="tyre_tracks" src="img/tyre_tracks.jpg"><br>
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</div>
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</main>
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</body>
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<script type="text/javascript" src="https://issue.xpub.nl/08/cnn/cnn.js"></script>
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</html> |