<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31461463</termId><termName>personal digital assistants</termName><termType>PT</termType><termNote><![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. ]]></termNote><termCreatedDate>2026-03-30 21:04:11</termCreatedDate><relation><relationType>UF</relationType><termId>31461464</termId><termName>P.D.A.</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31461465</termId><termName>P.D.A.&apos;s</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31461466</termId><termName>PDA</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31461467</termId><termName>PDAs</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31461468</termId><termName>personal digital assistant</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31444524</termId><termName>microcomputers</termName><termType>PT</termType></relation></term>  </Zthes>