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ID:36253703
大小:1.32 MB
页数:18页
时间:2019-05-07
《chapter 8-9. stand-alone utility programs课件》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、CHAPTER8OperatingSystemsandUtilityProgramsStand-aloneUtilityProgramsWhatisAntiVirusSoftware?computerprogramsintendedtoidentifyandeliminatecomputerviruses.TheBestDefensethisyearsbestdefenseagainstcomputerviruses,spyware,hackersandspamisanantivirusprogramcalledBitDefender.hasauser-friendlyinterface
2、thatscansallexistingfilesonyourcomputer,allincomingandoutgoingemails,andevenIMtransfers.featuresincludeprivacyprotectionandwebscanningforinternetuse.ayearssubscriptionisabout$24.99.NAVthemostwidelyusedsoftwareistheNortonAntiVirus.(NAV)sinceitsreleasein1990,over100millionpeoplearoundtheworldhaveus
3、edit.it’safreeprogrambutinordertoreceiveliveupdates,avalidsubscriptionisneeded.ayearlysubscriptionisonly$29.99.McAfeeMcAfeeVirusScanisanotherpopularantivirusprogram.it’sdesignedforhomeandhome-officeuse.it’susedspecificallyonaMicrosoftWindowsplatform.the2007editionincludesanumberoffeaturesincludin
4、gonaccessfilesharing,inboundandoutboundfirewallprotection,anddailydefinitionupdates.SophosSophosAntiVirusisanantivirusandanti-spywareprogramthatisprimarilyaimedatcorporateenvironmentsorbusinesses.includesanumberofsecuritytoolsandadvice.alsoincludes24/7supportincludingupgradealerts.Kasperskiforthe
5、averagehomeuserandadvanceduserstheKasperskiantivirussoftwarehasaneasytouseinterface.theprogramuses3tabsforprotection,settingsandsupport.itupdatesitselfonanhourlybasisandisoneofthefastestantivirusprogramsavailable.however,qualitycomesatapriceandyearsubscriptionis$49.99.Antivirussoftware:Howitwork
6、sBy:AshleyWhite“Antivirussoftwareistheequivalenttopenicillinofthecomputerworld.”likepenicillin,antivirusapplicationsactasaguardoveryoursystem,scanningincomingfilesandapplications,“quarantining”orcleaningupunwantedviruseslookingtocauseharmtoyoursystemantivirussoftwareisconsideredtobeanaidthatdetec
7、ts,fixesandevenpreventsvirusesandwormsfromspreadingtoyourcomputeraswellasconnectingcomputers.Whyissoftwareanissue?someantivirussoftwarecanconsiderablyreduceperformancethereshouldnotbemorethanoneantivirussoftwareinstall
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