Empirical Laws of Computing.html (1232B)
1 <?xml version="1.0" encoding="UTF-8"?> 2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3 <html><head><link rel="stylesheet" href="sitewide.css" /><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><meta name="exporter-version" content="Evernote Mac 6.13.1 (455785)"/><meta name="altitude" content="-0.07572704553604126"/><meta name="author" content="Alex Balgavy"/><meta name="created" content="2017-10-31 4:44:06 PM +0000"/><meta name="latitude" content="52.33336786659279"/><meta name="longitude" content="4.866345896199826"/><meta name="source" content="desktop.mac"/><meta name="updated" content="2017-10-31 4:48:06 PM +0000"/><title>Empirical Laws of Computing</title></head><body><div>Moore’s law: density of silicon chip (number of transistors) increases 2x every 1.5 (2) years</div><div>Rock’s law: cost of equipment to produce chips increases 2x every 4 years</div><div>Koomey’s law: energy efficiency increases 2x every 1.5 years</div><div>Metcalfe’s law: usefulness of network ~n<font style="font-size: 14px;"><sup>2</sup> for n users/objects</font></div><div><font style="font-size: 14px;"><br/></font></div></body></html>