<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Binary Numbers :: CS1 course</title><link>https://robark.gitlab.io/binary/index.html</link><description>Chapter 9 Convert Binary -&gt; Decimal, Decimal -&gt; Binary, signed systems using 2’s compliment</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Mon, 09 Nov 2020 19:35:31 +0000</lastBuildDate><atom:link href="https://robark.gitlab.io/binary/index.xml" rel="self" type="application/rss+xml"/><item><title>Convert</title><link>https://robark.gitlab.io/binary/convert/index.html</link><pubDate>Mon, 09 Nov 2020 19:35:31 +0000</pubDate><guid>https://robark.gitlab.io/binary/convert/index.html</guid><description>Lesson 36: Binary Numbers Convert bin-&gt;dec, dec-&gt;bin 2’s compliment (signed systems) The video did not mention that the 2’s compliment procedure is reciprocal. For example, in a signed 4 bit system if +6 = 0110 then -6 is 1001+0001=1010. But now if we apply the 2’s compliment again to -6=1010 (flip and add 1) 0101+0001=0110 which is back to +6.</description></item></channel></rss>