You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
37 lines
2.5 KiB
HTML
37 lines
2.5 KiB
HTML
6 years ago
|
<!DOCTYPE html>
|
||
|
|
<html>
|
||
|
|
<head>
|
||
|
|
<title>ciao.urca.tv, richfolks.club to wijnhaven</title>
|
||
|
|
<meta charset="utf-8">
|
||
|
|
<meta name="viewport" content="width=device-width, initial=scale=1.0">
|
||
|
|
<link rel="stylesheet" type="text/css" href="style.css" media="screen"/>
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
<main>
|
||
|
|
<img id="line" src="gps_drawings/ciao_to_wijnhaven.svg">
|
||
|
|
<div class="text">
|
||
|
|
<picture class="drawing">
|
||
|
|
<source media="(max-width: 1280px)" srcset="img/star_topology_wht_640.jpg">
|
||
|
|
<!-- image for screens below 1280px wide -->
|
||
|
|
<img class="drawing" src="img/star_topology_wht.jpg" />
|
||
|
|
<!-- fallback: used in PDF-->
|
||
|
|
</picture>
|
||
|
|
<h2 id="abstraction">Abstraction</h2>
|
||
|
|
|
||
|
|
<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>
|
||
|
|
|
||
|
|
<h2 id="abstractionLayers">Abstraction layers</h2>
|
||
|
|
|
||
|
|
<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>
|
||
|
|
|
||
|
|
<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>
|
||
|
|
|
||
|
|
<h2 id="autonomy">Autonomy</h2>
|
||
|
|
|
||
|
|
<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>
|
||
|
|
<img class="drawing" id="tyre_tracks" src="img/tyre_tracks.jpg"><br>
|
||
|
|
</div>
|
||
|
|
</main>
|
||
|
|
</body>
|
||
|
|
<script type="text/javascript" src="https://issue.xpub.nl/08/cnn/cnn.js"></script>
|
||
|
|
</html>
|