<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">analog computers</topic></authority><related type="narrower"><topic>analog data processors</topic></related><related type="narrower"><topic>differential analyzers</topic></related><related type="narrower"><topic>harmonic analyzers</topic></related><related type="broader"><topic>data processing equipment</topic></related><variant type="other"><topic>analog computer</topic></variant><variant type="other"><topic>analogue computers</topic></variant><variant type="other"><topic>computers, analog</topic></variant> <note xml:lang="en"><![CDATA[ Computers that perform computations by manipulating certain continuous physical variables (such as time and voltage) that are analogs of the quantities being subjected to computations. ]]></note></mads>