mis12-信息系统复习参考6.doc
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mis12-信息系统复习参考6.doc
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ManagementInformationSystems,12e(Laudon)
Chapter6FoundationsofBusinessIntelligence:
DatabasesandInformationManagement
1)Agroupingofcharactersintoaword,agroupofwords,oracompletenumberiscalledarecord.
Answer:
FALSE
Diff:
1 PageRef:
210
AACSB:
UseofIT
CASE:
Content
Objective:
6.3
2)Eachcharacteristicorqualitydescribingaparticularentityiscalledanattribute.
Answer:
TRUE
Diff:
1 PageRef:
210
AACSB:
UseofIT
CASE:
Content
Objective:
6.3
3)Program-datadependencereferstothecouplingofdatastoredinfilesandsoftwareprogramsthatusethisdatasuchthatchangesinprogramsrequirechangestothedata.
Answer:
TRUE
Diff:
2 PageRef:
211
AACSB:
UseofIT
CASE:
Content
Objective:
6.1
4)ADBMSseparatesthelogicalandphysicalviewsofdata.
Answer:
TRUE
Diff:
2 PageRef:
212
AACSB:
UseofIT
CASE:
Content
Objective:
6.2
5)Everyrecordinafileshouldcontainatleastonekeyfield.
Answer:
TRUE
Diff:
1 PageRef:
214
AACSB:
UseofIT
CASE:
Content
Objective:
6.3
6)Manyapplicationstodayrequiredatabasesthatcanstoreandretrievemultimedia.
Answer:
TRUE
Diff:
1 PageRef:
215
AACSB:
UseofIT
CASE:
Content
Objective:
6.2
7)OneofthedrawbackstoOODBMSarethattheycannotworkwithapplets.
Answer:
FALSE
Diff:
2 PageRef:
215
AACSB:
UseofIT
CASE:
Content
Objective:
6.2
8)OODBMSareslowerthanrelationalDBMS.
Answer:
TRUE
Diff:
2 PageRef:
215
AACSB:
UseofIT
CASE:
Content
Objective:
6.2
9)Adatadictionaryisalanguageassociatedwithadatabasemanagementsystemthatendusersandprogrammersusetomanipulatedatainthedatabase.
Answer:
FALSE
Diff:
1 PageRef:
217
AACSB:
UseofIT
CASE:
Content
Objective:
6.2
10)Inarelationaldatabase,complexgroupingsofdatamustbestreamlinedtoeliminateawkwardmany-to-manyrelationships.
Answer:
TRUE
Diff:
1 PageRef:
220
AACSB:
UseofIT
CASE:
Content
Objective:
6.3
11)Adatawarehousemaybeupdatedbyalegacysystem.
Answer:
TRUE
Diff:
1 PageRef:
222
AACSB:
UseofIT
CASE:
Content
Objective:
6.4
12)Adatawarehouseistypicallycomprisedofseveralsmallerdatamarts.
Answer:
FALSE
Diff:
2 PageRef:
223
AACSB:
UseofIT
CASE:
Content
Objective:
6.4
13)OLAPisakeytoolofBI.
Answer:
TRUE
Diff:
2 PageRef:
224
AACSB:
UseofIT
CASE:
Content
Objective:
6.4
14)OLAPenablesuserstoobtainonlineanswerstoad-hocquestionsinafairlyrapidamountoftime,exceptwhenthedataarestoredinverylargedatabases.
Answer:
FALSE
Diff:
2 PageRef:
224
AACSB:
UseofIT
CASE:
Content
Objective:
6.4
15)Predictiveanalysisissynonymouswithdatamining.
Answer:
FALSE
Diff:
3 PageRef:
226
AACSB:
UseofIT
CASE:
Content
Objective:
6.4
16)InaWeb-baseddatabase,middlewareisusedtotransferinformationfromtheorganization'sinternaldatabasebacktotheWebserverfordeliveryintheformofaWebpagetotheuser.
Answer:
TRUE
Diff:
2 PageRef:
229
AACSB:
UseofIT
CASE:
Content
Objective:
6.4
17)ThedisadvantageofusingaWebinterfaceforadatabaseisthatittypicallyrequiressubstantialchangestotheinternaldatabase.
Answer:
FALSE
Diff:
1 PageRef:
229
AACSB:
UseofIT
CASE:
Content
Objective:
6.4
18)CommonGatewayInterfaceisaspecificationforprocessingdataonaWebserver.
Answer:
TRUE
Diff:
2 PageRef:
2931
AACSB:
UseofIT
CASE:
Content
Objective:
6.4
19)Dataadministrationisaspecialorganizationalfunctionthatmanagesthepoliciesandproceduresthroughwhichdatacanbemanagedasanorganizationalresource.
Answer:
TRUE
Diff:
2 PageRef:
230
AACSB:
UseofIT
CASE:
Content
Objective:
6.5
20)Datacleansingisthesameprocessasdatascrubbing.
Answer:
TRUE
Diff:
1 PageRef:
231
AACSB:
UseofIT
CASE:
Content
Objective:
6.5
21)Whichofthefollowingbestillustratestherelationshipbetweenentitiesandattributes?
A)theentityCUSTOMERwiththeattributePRODUCT
B)theentityCUSTOMERwiththeattributePURCHASE
C)theentityPRODUCTwiththeattributePURCHASE
D)theentityPRODUCTwiththeattributeCUSTOMER
Answer:
B
Diff:
3 PageRef:
210
AACSB:
AnalyticSkills
CASE:
Analysis
Objective:
6.3
22)Whichofthefollowingisnotoneofthemainproblemswithatraditionalfileenvironment?
A)datainconsistency
B)program-dataindependence
C)lackofflexibilityincreatingad-hocreports
D)poorsecurity
Answer:
B
Diff:
2 PageRef:
211
AACSB:
UseofIT
CASE:
Analysis
Objective:
6.1
23)ADBMSreducesdataredundancyandinconsistencyby
A)enforcingreferentialintegrity.
B)uncouplingprogramanddata.
C)utilizingadatadictionary.
D)minimizingisolatedfileswithrepeateddata.
Answer:
D
Diff:
3 PageRef:
213
AACSB:
UseofIT
CASE:
Content
Objective:
6.1
24)Acharacterist
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