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1.(单选题)Many companiesuse()to traintheir employees.(本题
2.5分)A.technology B.entertainment C.multimedia applicationsD.animation答案:C解析:无
2.(单E-commerce doesbusiness through().(本题
2.5分)A.face-to-face meetingB.computer C.wire-photo D.file flow答案:D解析:无
3.(单选题)Every transactionin electroniccommerce includesinformation flow,commercial flow,()and materialflow.(本题
2.5分)A.data flowB.currency flowC.merchandise flowD.file flowD.all theabove答案:A解析:无
25.(单选题)Each()is aunit ofboth atomicityand consistency.体题
2.5分)A.transaction B.database C.storage structureD.schema details答案:A解析:无
26.(单选题)Please findthe itemthat isnot belongto theDBA().(本题
2.5分)A.storage structureand accessmethod definitionB.schema definitionC.integrity constrainspecification D.DDL答案:D解析:无
27.(单When poweris removed,information inthe semiconductormemory is().(本题
2.5分)A.reliable B.lost C.manipulated D.remain答案:B解析:无
28.(单The control unit fetches()from memoryand decodesthem.(本题
2.5分)A.data B.information C.results D.instructions答案:D解析:无答案:B解析:无
4.(单To openInternet Explorer,just clickStart,point to(),and thenclick Internet Explorer.(本题
2.5分)A.Programs B.View C.Layout D.Internet andEDI答案:A解析:无
5.(单With InternetExplorer and an Internetconnection,you cansearch forand viewinformation onthe().(本题
2.5分)A.Active DesktopB.Programs C.Phone DialerD.World WideWeb答案:D解析:无
6.(单选题)Two commonapplications ofLANs are()resource sharingand informationresource sharing.(本题
2.5分)A.software B.computer C.network D.hardware答案:D解析:无
7.(单When a()is used,all thedevices inthe networkare connectedto asingle cable.体题
2.5分)A.bus networkB.ring network C.star networkD.network答案:A解析:无
8.(单()uses commandsthat areeasier forprogrammers tounderstand thanare machinelanguage commands.(本题
2.5分)A.Assembly languageB.High-level languageC.C languageD.C++language答案:A解析:无
9.(单选题)Most operating system havea standardset of()to handlethe processingof allinput andoutput instructions.(本题
2.5分)A.spreadsheet B.control instructionsC.I/O operationD.data table答案:B解析:无
10.(单The()serves asan interfacebetween hardware and software.(本题
2.5分)A.system B.application programC.operatingsystemD.controlunit答案:C解析:无
11.(单The rawdata arestored onthe diskusing the().(本题
2.5分)A.data dictionaryB.file systemC.DBMS D.DBA答案:B解析:无
12.(单A periodicrefresh isneeded torestore theinformation forthe().(本题
2.5分)A.SRAM B.DRAM C.EPROM D.EEPROM答案:B解析:无
13.(单()is astorage locationinside theprocessor.(本题
2.5分)A.A registerB.ALU C.Control D.Memory答案:A解析:无
14.(单A processoris composedof twofunctional units,they are().(本题
2.5分)A.an arithmetic/logic unit andastorage unitB.a controlunit andsome registersC.a controlunitandan arithmetic/logic unitD.some registersan arithmetic/logic unit答案:C解析:无
15.(单()refers tothe numberof individualdots ofcolor,known aspixels,contained ona display.(本题
2.5分)A.Dot PitchB.Resolution C.Refresh RateD.Scan Style答案B解析:无
16.(单Every transactionin electroniccommerce includesinformation flow,commercial flow,()and materialflow.(本题
2.5分)A.file B.data C.software D.virus答案:D解析:无
17.(单选题)The()hidden inthe infectedsystem doesnot breakout immediately;instead,it needscertain timeor somecondition beforeit breaksout(本题
2.5分)A.file B.data C.software D.virus答案:D解析:无
18.(单To openInternetExplorer,just clickStart,point to(),and thenclick InternetExplorer.体题
2.5分)A.Programs B.View C.Layout D.Control Panel答案:A解析:无
19.(单选题)E-commerce dobusiness through().(本题
2.5分)A.face-to-face meetingB.computer C.wire-photo D.Internet andEDI答案:D解析:无
20.(单选题)An advantageof aring networkis thatit needsless().(本题
2.5分)A.computer B.networkC.cable D.information答案:C解析:无
21.(单选题)An ISPsupplies a()that youcan dialfrom yourcomputer tolog onthe internetserver.体题
2.5分)A.public keyB.private keyC.service numberD.help file答案:c解析:无
22.(单选题)Software engineeringis somecertain().(本题
2.5分)A.programs B.methods C.products D.managements答案:B解析:无
23.(单选题)Assembly-language instructionsareaseries of().(本题
2.5分)A.Os andIs B.abstract codesC.machine codesD.words答案:B解析:无
24.(单A characteristicof operatingsystem is().(本题
2.5分)A.resource managementB.memory managementC.error recovery。