spectrometer on a chip在一个芯片仪

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1、ONLINESHOPPINGWEBPAGEbyLianCaiECE345T.A.PurveshThakker7/22/99Project#17ABSTRACTEversinceitsintroductiontothegeneralpublicintheearlynineties,theInternethasgainedmoreandmorepopularityamongstthegeneralpublic.Ithasthoroughlychangedpeoples’lives.Similartotelevision,radio,newspaper,

2、andotherformsofmedia,theInternetreachesalargeportionofthepopulation.However,theInternetalsoallowsinteractionbetweenpeople.MoreandmorebusinessesaretakingadvantageoftheInternet’spopularityanditsinteractivecapabilitiesofsellingproductstocustomers.Webpagesarecreatedtoadvertiseands

3、ellproductstoconsumers.ThispaperdescribesthedesignofanonlinewebpageusingPERLandCGI.Thedesignallowscustomerstopurchaseproductsonlineusingtheircreditcards.Inaddition,thedesignandtestingofaclockcircuitisdiscussed.Finally,thepaperexaminessomewaysinwhichtheperformanceofthewebpagema

4、ybeenhanced.iiTABLEOFCONTENTSAuthorPage1.INTRODUCTIONLC12.DESIGNPROCEDURELC53.DESIGNDETAILSLC63.1Order.htmlLC63.2Order.cgiLC73.3Process1.cgiLC83.4Process2.cgiLC94.DESIGNVERIFICATIONLC115.COSTLC126.SPECIALCIRCUITLC137.CONCLUSIONLC158.FIGURESLC16iii1.INTRODUCTIONInthenottoodista

5、ntfuture,anybusiness,nomatterwhattheysell,mustconsidergoingonlineasawaytostaycompetitive.Goingonlinewillnotbealuxury,butanecessity.Therearemanyreasonswhygoingonlineisbeneficialtoboththeindustryandtheconsumers.TheInternetobeysthelawofincreasingreturns.Asanexample,imaginethatate

6、lephonenetworkcompanyhas10customersandtheycalleachotheronceaday.Inoneday,thatisonehundredphonecalls(10*10=100).Nowsupposethecompanyhasonemorecustomer.Thenumberofphonecallsbecomesonehundredandtwentyone(11*11).Thenumberofcustomersforthecompanyincreasedby10%,buttheprofitofthecomp

7、anyincreasedby21%.ThisisonemajorreasonwhysomanycompaniesaretryingtodobusinessontheInternet.TheInternetisbasicallyagiganticnetworkwhereeveryoneisinterconnected.Companiesgoonlineforseveralreasons.Onemajorreasonisthatcompanieswanttotapintothehugeconsumerbasethatisgrowingatarapidp

8、ace.Anotherreasonisloweroverhead.Itcostsabout$150foracompanyt