<?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">personal digital assistants</topic></authority><related type="broader"><topic>microcomputers</topic></related><variant type="other"><topic>P.D.A.</topic></variant><variant type="other"><topic>P.D.A.&apos;s</topic></variant><variant type="other"><topic>PDA</topic></variant><variant type="other"><topic>PDAs</topic></variant><variant type="other"><topic>personal digital assistant</topic></variant> <note xml:lang="en"><![CDATA[ Handheld computers first developed in the late 1980s and early 1990s, that had a miniature keyboard and handwriting-recognition software. Originally meant to perform simple tasks such as calculation and organizing, they have since become more advanced. Most PDAs now have the ability to act as a mobile phone, surf the Internet, and run more advanced software. ]]></note></mads>