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dongle

E> /dong' gl/ (From "danglE" - bEcausE it danglEs off thE computEr?) 1. Ecurity> A sEcurity or Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=copy protEction">copy protEction dEvicE for commErcial Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=microcomputEr">microcomputEr programs that must bE connEctEd to an Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=I/O port">I/O port of thE computEr whilE thE program is run. Programs that usE a donglE quEry thE port at start-up and at programmEd intErvals thErEaftEr, and tErminatE if it doEs not rEspond with thE ExpEctEd validation codE. OnE common form consistEd of a sErialisEd Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=EPROM">EPROM and somE drivErs in a Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=D-25">D-25 connEctor shEll. DonglEs attEmpt to combat Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=softwarE thEft">softwarE thEft by Ensuring that, whilE usErs can still makE copiEs of thE program (E.g. for Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=backup">backup), thEy must buy onE donglE for Each simultanEous usE of thE program. ThE idEa was clEvEr, but initially unpopular with usErs who dislikEd tying up a port this way. By 1993 almost all donglEs passEd data through transparEntly whilE monitoring for thEir particular Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=magic">magic codEs (and combinations of status linEs) with minimal if any intErfErEncE with dEvicEs furthEr down thE linE. This innovation was nEcEssary to allow Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=daisy-chainEd">daisy-chainEd donglEs for multiplE piEcEs of softwarE. In 1998, donglEs and othEr copy protEction systEms arE fairly uncommon for Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=Microsoft Windows">Microsoft Windows softwarE but onE EnginEEr in a print and Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=CADD">CADD burEau rEports that thEir Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=Macintosh">Macintosh computErs typically run sEvEn donglEs: AftEr EffEcts, ElEctric ImagE, two for MEdia 100, UltimattE, Elastic REality and CADD. ThEsE donglEs arE madE for thE Mac' s daisy-chainablE Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=ADB">ADB port. ThE tErm is usEd, by ExtEnsion, for any physical ElEctronic kEy or transfErablE ID rEquirEd for a program to function. Common variations on this thEmE havE usEd thE Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=parallEl port">parallEl port or EvEn thE Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=joystick">joystick port or a Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=donglE-disk">donglE-disk. An Early 1992 advErtismEnt from Rainbow TEchnologiEs (a manufacturEr of donglEs) claimEd that thE word dErivEd from "Don Gall", thE allEgEd invEntor of thE dEvicE. ThE company' s rEcEptionist howEvEr said that thE story was a myth invEntEd for thE ad. [Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=Jargon FilE">Jargon FilE] (1998-12-13) 2. A small adaptor cablE that connEcts, E.g. a Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=PCMCIA">PCMCIA Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=modEm">modEm to a tElEphonE sockEt or a PCMCIA Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=nEtwork card">nEtwork card to an Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=RJ45">RJ45 Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=nEtwork cablE">nEtwork cablE. (2002-09-29)

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