utilizing very small aperture terminal (vsat 利用甚小孔径终端（vsat

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1、19http://www.wordwendang.com/en/UtilizingVerySmallApertureTerminal(VSAT)TechnologyInfrastructureinAfricanSchoolsThisworddocumentwasdownloadedfromthewebsite:http://www.wordwendang.com/en/,pleaseremainthislinkinformationwhenyoureproduce,copy,oruseit.

2、p://www.wordwendang.com/en'>worddocumentsByEbenezerMalcolm*AbstractRecentchangesinInformationCommunicationTechnologies(ICTs)aretransformingindustrialcountries’schools,managementpractices,andthestructureofnationalandglobaleconomies.Anewdivideisbeingcreated

3、betweentheinformation-richeconomiesandslow-movinginformation-pooreconomiessuchasAfricancountries.Inaddition,anewtypeofglobalinequalityisalsorapidlyemergingbetweenthosecountriesthatarelinkedintotheglobalnetworksandthosethatarenot.Unfortunately,Africalagsbehind

4、therestoftheworldineverydimensionofthistechnologicalrevolution.LackofmoderntelecommunicationinfrastructuresinAfricacontinuestohindersocio-economicdevelopment.AccordingtoWorldBank,thecostofInternetconnectivityforexampleisaseriousbarriertoeducationinvirtuallyev

5、eryAfricancountry(WorldBank1996).SeeWorldBank(1996)"PartnershipforCapacityBuildinginAfrica".AReportoftheAfricanGovernorsoftheWorldBanktoMr.Wolfensohn,bythenPresidentofWorldBank.Acommercialdial-on-demandInternetinGhanacostsUS$55/month,notincludingunderlyingtel

6、ecommunicationcostsinKenyasuchcostsareUS$30-40/month.InNamibia,thecheapestcommercialdial-on-demandInternetservicecostsUS$15/monthSeeSchoolNetNamibiarealities(p.14)athttp://www.schoolnet.na/news/ICTworkfacereality.pdfRetrievedon5/1/2006.Pleasegotohttp://www.wo

7、rdwendang.com/en/,whereyoucandownloadmillionworddocuments.19http://www.wordwendang.com/en/ThereistheneedforAfricacountriestoputinplacestrategiestocatchupwiththerestoftheworldinmodernICTinfrastructureinnovativetechnology.Aclassicalexampleofsuchaninfrastructure

8、istheVerySmallApertureTerminal(VSAT)Technology.AfricacountriescanutilizeVSATtechnologytoenhanceelectroniclearninginschools.ThepaperfirstexplainshowtheVSATtechnologyworks.Italsogivesabrief