西南大学[0089]《专业英语》作业

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2、ivelycalledD1.c2.c3.c4.A.memoryB.boardsC.softwareD.hardware4、1.2.ThetermpaymentcardreferstoDA.Creditcard2.B.Chargecard3・C.Chargecard4.D.AandBonly2.5、Thefifthgenerationcomputers,withartificialintelligence,C—andperfectednow.A.developedB.havedeveloped3.C.arebeingdeveloped4

3、.jD.willhavebeendeveloped6^Inthefuture,wemayeliminatetheneedsforphysicalmoney.Indeed,wewouldexchangeDForgoodsandservices.A.teethB.seashellsC.loveD.digitalcash7、ThebasicinputdeviceonasmallcomputerisaB.1.2A.Adisplayscreen2.匚B.keyboard3.JC・printer4.匚D.cardreader8.You_Bheri

4、nherofficelastFriday;she'sbeenoutoftownfortwoweeks.A.needn'thaveseen1.B・musthaveseen2.cC.mighthaveseen3.cD.can*thaveseen9、TheabilitytostoreknowledgemakescomputersdifferentfromeveryothermachineD_invented.匚A.thusB.yetC.asD.ever10、Thefifthgenerationcomputers,withartificial

5、intelligence,CandPerfectednow.1.cA.developed•B.havedeveloped3.cC.arebeingdeveloped4.cD.willhavebeendeveloped11、cisanelectronicpaymentsystemdevelopedbyDr.DavidChaumofdigitalcash.1.cA.DigiCash2.cB.E-cash3.cC.AorB4.匚D.AandB12、TransactionchangedtoyourtelephonebillarecalledC

6、1.EA.creditcardpayments2.CB.virtualpinpayments3.CC.E-chargepayments4.CD.IntciTieJbillpayments・13、carecardsthatlooklikecreditcards,butstoreinformationonofmagneticstrips.1.CA.Creditcards2.cB.Smallcardsamicroprocessorchipinstead,whoiswidelyregardedasaninventorC・Smailcardsc

7、D.Magneticcards・PaypaLcomisafreeservicethatearnsaprofitontheCwhichismoneythatisdepositedinPayPalaccounts.A.scripcB・commissionC・transactioncostcD.FloatThisticketCyoutoafreemealinournewrestaurant.A.givescB・grantsC・entitlescD.creditsProgramthatcandestroyanothercomputer'spr

8、ogramsarecalledA.gamesB.virusescC.bugsD.bugsDataandprograminstructionsarestoredincA.theprocessor匚B・storageEC.p