EC课本题库版ec08tifch9.docx
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EC课本题库版ec08tifch9.docx
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EC课本题库版ec08tifch9
Chapter9
MobileComputingandCommerceandPervasiveComputing
True-FalseQuestions
1.
Usingwirelesstechnologies,onecancreateECapplicationsthatarenotavailablewithwirelinesystems.
Answer:
TrueDifficulty:
MediumPageReference:
417
AACSB:
Useofinformationtechnology
2.
Mobilecomputingreferstoacomputingparadigmdesignedforworkerswhotraveloutsidetheboundariesoftheirorganizationsorforanyoneonthemove.
Answer:
TrueDifficulty:
MediumPageReference:
417
AACSB:
Useofinformationtechnology
3.
Thetwosolutionsthatwerenecessaryformobilewirelesscomputingtobefeasiblewerecomputersthatweresmallenoughtobecarriedeasilyandlong-lifebatteries.
Answer:
FalseDifficulty:
MediumPageReference:
417
AACSB:
4.
Alaptopornotebookcomputercanbecomewirelesswiththeadditionofacellularchip.
Answer:
FalseDifficulty:
EasyPageReference:
417
AACSB:
Useofinformationtechnology
5.
Overall,PDAsalesdroppedinthemid-2000becausePDAslackedfeaturesbeyondpersonalinformationmanagement.
Answer:
TrueDifficulty:
MediumPageReference:
418
AACSB:
Useofinformationtechnology
6.
TheprimaryapplicationofBlackberryisinstantmessaging.
Answer:
FalseDifficulty:
EasyPageReference:
418
AACSB:
Useofinformationtechnology
7.
Hardwareandsoftwaredesignersneedtoconsiderthespecialrequirementsofmobiledevicessuchassmallscreens,reducedmemory,limitedbandwidth,andrestrictedinputcapabilities.
Answer:
TrueDifficulty:
EasyPageReference:
419
AACSB:
8.
AWebservermayneedtwoversionsofthesameWebpage—anormalpagewithfullgraphicsfordesktopcomputersandamobilepageforPDAsandsmartphones—andawaytodistinguishbetweendevicesrequestingtheWebpage.
Answer:
TrueDifficulty:
MediumPageReference:
419
AACSB:
9.
Theinfrastructuretosupportmobilecommerceisinexpensiveandrelativelysimpletoputinplace.
Answer:
FalseDifficulty:
MediumPageReference:
419
AACSB:
10.
Commonstandardsforvariousmobiledevicessimplifythedevelopmentofsoftwareapplicationsforwirelessdevices.
Answer:
FalseDifficulty:
HardPageReference:
419
AACSB:
Useofinformationtechnology
11.
Smallhandheldcomputingdevicesuseavarietyofinterfaceapproachesincludingatouchscreen,mini-joystick,jogdial,andthumbwheel.
Answer:
Difficulty:
EasyPageReference:
420
AACSB:
Useofinformationtechnology
12.
TheWirelessApplicationProtocol,orWAP,isasuiteofnetworkprotocolsdesignedtoenabledifferentkindsofwirelessdevicestoaccessWAP-readablefilesonanInternet-connectedWebserver.
Answer:
TrueDifficulty:
MediumPageReference:
420
AACSB:
Useofinformationtechnology
13.
TheWAPgatewayisaserverthatisresponsiblefortranslatinginformationrequestsfromthedeviceintoanHTTPrequestthattheWebservercanunderstand.
Answer:
TrueDifficulty:
MediumPageReference:
420
AACSB:
Useofinformationtechnology
14.
Micropaymentsforsmall-purchaseamountsoflessthan$10havebecomewidespreadinEC,inpartbecauseofthewidespreaduseofalltypesofmobiledevices.
Answer:
FalseDifficulty:
MediumPageReference:
422
AACSB:
Useofinformationtechnology
15.
Increaseduseofvoice-supportservicesexploitsthebuilt-inaudiocapabilitiesofmanymobiledevicesandreducestheirdependenceonunsatisfactoryinputsolutions,suchashandwritingrecognition,keypads,orvirtualtouch-screenkeyboards.
Answer:
TrueDifficulty:
MediumPageReference:
423
AACSB:
Useofinformationtechnology
16.
Thehighestlevelofvoicesupportservicesisavoiceportal,whichisaWebsitewithanaudiointerfacethatcanbeaccessedthroughatelephonecall.
Answer:
TrueDifficulty:
MediumPageReference:
423
AACSB:
Useofinformationtechnology
17.
WiFiisasetoftelecommunicationsstandardsthatenableswirelessdevicestocommunicatewitheachotherovershortdistances,butwhichsuffersfrominterferenceandsecurityproblems.
Answer:
FalseDifficulty:
MediumPageReference:
423
AACSB:
Useofinformationtechnology
18.
ThemostpopularWi-Fistandardis802.11b,whichisinexpensiveandofferssufficientspeedformostdevices,buthasinterferenceproblems.
Answer:
TrueDifficulty:
MediumPageReference:
424
AACSB:
Useofinformationtechnology
19.
Acommontypeofpersonalareanetwork(PAN)isBluetooth-enabledheadsetsthatpeopleusewiththeircellphones.
Answer:
TrueDifficulty:
MediumPageReference:
424
AACSB:
Useofinformationtechnology
20.
Increasingly,802.11bisbeingusedincommercialenvironmentswherecostisnotamajorissueandwherelaptopcomputerscantakeadvantageofthe54Mbpstransferrate.
Answer:
FalseDifficulty:
MediumPageReference:
424
AACSB:
Useofinformationtechnology
21.
WiMaxisanIEEE802.16wirelessstandardformakingbroadbandnetworkaccesswidelyavailablefordataandvoiceoveramedium-sizedarea,andwhoseimpactone-commerceisstillunclear.
Answer:
TrueDifficulty:
MediumPageReference:
427
AACSB:
Useofinformationtechnology
22.
Eventhoughmicro-paymenttechnologyhaswide-rangingapplications,suchasmakingpaymentstoparkinggaragesandpublictransportation,twofactorslimitingthesuccessofmicro-paymentapplicationsaretransactioncostsandnonpaymentrisks.
Answer:
TrueDifficulty:
MediumPageReference:
436
AACSB:
Reflectivethinking
23.
ThetwogreatestopportunitiesinB2Bmobilecommercearetousewirelesscommunicationtoshareinformationalongthesupplychainandtomakeelectronicpayments.
Answer:
FalseDifficulty:
MediumPageReference:
443
AACSB:
Reflectivethinking
24.
InLasVegas,theLuxorpre-registersguestswhentheirairplanelandsandtheyturnon
theircellphones.Also,thehotelcandeterminewhenguestsleavethehotel,luringthem
backtogamblewithmobileincentivesandpitches.ThisisanexampleofGlobalPositioningSystems(GPS).
Answer:
FalseDifficulty:
MediumPageReference:
449
AACSB:
Reflectivethinking
25.
Severalkeyethicalissuesinm-commerceincludeisolation,lossofprivacy,andpotentialhealthdamagefromcellularradiofrequencyemissions.
Answer:
TrueDifficulty:
MediumPageReference:
453
AACSB:
Ethicalunderstandingandreasoningabilities
MultipleChoiceQuestions
26.
M-commercetransactionsandactivitiesrequire_____________and_______________.
a.wirednetworks;accesspoints
b.cellphones;portablecomputers
c.hardwareandsoftwareinfrastructures;infrastructuresupport
d.smartphones;switches
Answer:
CDifficulty:
MediumPageReference:
419
AACSB:
27.
Infrastructuresthatsupportthewirelessconnectionare:
a.networkaccesspoints,mobilecommunicationsserverswitches,andcellulartransmittersandreceivers.
b.WAPgateways,GPSlocators,andGPSsatellites.
c.PDAs,smartphones,andportablecomputers.
d.webservers,mobiledevices,andmicrobrowsers.
Answer:
ADifficulty:
HardPageReference:
419
AACSB:
28.
Componentsofawirelessinfrastructurethatsupportdeliveryofservicesoverawirelessconnectionare:
a.networkaccesspoints,mobilecommunicationsserverswitches,cellulartransmitters,andreceivers.
b.WAPgateways,GPSlocators,andGPSsatellites.
c.PDAs,smartphones,andportablecomputers.
d.webservers,mobiledevices,andmicrobrowsers.
Answer:
BDifficulty:
HardPageReference:
420
AACSB:
29.
CharacteristicsofmobiledevicesthatcreatespecialrequirementsthathardwareandsoftwaredesignersneedtoanticipatewhendesigningmobilecomputingsystemsincludeallofthefollowingEXCEPT:
a.smallscreens
b.reducedmemory
c.restrictedinputcapabilities
d.broadbandwidth
Answer:
DDifficulty:
MediumPageReference:
420
AACSB:
30.
Theexchangeofupdatedinformationwithothercomputingdevicesiscalled:
a.docking
b.datatransferring
c.synchronization.
d.marking
Answer:
CDifficulty:
MediumPageReference:
421
AACSB:
31.
Asuiteofnetworkprotocolsdesignedtoenabledifferentkindsofwirelessdevicesiscalled:
a.WirelessApplicationProtocol.
b.amobileoperatingsystem.
c.amobileapplicationuserinterface.
d.wirelessmiddleware.
Answer:
ADifficulty:
MediumPageReference:
420
AACSB:
32.
TheapplicationlogicinahandheldPDA,smartphone,PalmorWintelnotebookiscalled:
a.WirelessApplicationProtocol.
b.amobileoperatingsystem.
c.amobileapplicationuserinterface.
d.wirelessmiddleware.
Answer:
CDifficulty:
MediumPageReference:
422
AACSB:
33.
__________enablesthedeterminationofthelocationofanenableddevice.
a.PDA
b.GPS
c.SMS
d.WAP
Answer:
BDifficulty:
MediumPageReference:
422
AACSB:
34.
Ricksendsamessagefromadelayedflighttohisfriendonhercellphonethathewillbearrivinglate.Theservicethatallowsthesendingandreceivingofsuchshorttextmessagesonmobilephonesiscalled:
a.TMG
b.MSG
c.SMS
d.LOL
Answer:
CDifficulty:
MediumPageReference:
422
AACSB:
35.
Micropaymentsareelectronicpayments:
a.fromamobiledevice.
b.thatarelessthan$1.00.
c.thatarelessthan$10.00.
d.thatarelessthan$100.00.
Answer:
CDifficulty:
MediumPageReference:
422
AACSB:
36.
A___________issuitableformobileuserswhoneedtomakeveryshort-rangedevice-to-devicewirelessconnectionswithinasmallspace,suchasasingleroom,andmostcommonlywithBluetooth.
a.personalareanetwork
b.localareanetwork
c.wirelessareanetwork
d.Wi-Fiareanetwork
Answer:
ADifficulty:
MediumPageReference:
423
AACSB:
37.
MostWLANsrunonatelecommunicationsstandardknownas____________,whichismorecommonlycalled______________.
a.WLAN;hotspot
b.IEEE802.16;
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