SolutionManualfor
Dennis,Wixom,RothSystemsAnalysisandDesign,8thEdition
Chapter 1-13 c
Chapter1:TheSystemsAnalystandInformation
c c c c c c
SystemsDevelopmentc
Answer to Your Turn 1-1: Being anAnalyst
c c c c c c c
Studentcanswerscwillcvary,cdependingconctheircpreferencescregardingcbeingca:c1)csystemscan
alyst,c2)cbusinesscanalyst,c3)crequirementscanalyst,c4)cinfrastructurecanalyst,corc5)cchangecm
anagementcanalyst.cVerifycthatcthecstudentchasccorrectlycassociatedcthecskillscneededcwithct
hectypecofcanalystcforcwhichctheycaspirecandcthatcthecstudentchasccreatedcacplanctocacquirecth
osecskills.cThecrolescandcthecnamescusedctocdescribecthemcmaycvarycfromcorganizationctocor
ganization.
Answer toYourTurn 1-2: Implementing a Satellite Data Network
c c c c c c c c c
Whilecanswerscmaycvary,canswerscmightcincludecthecfollowing:
1. Accost-
benefitcanalysis,calongcwithcothercfinancialcprocessesc(ROI,cetc.)cwouldccertainlycre
vealcthatcacjust-in-
timec(JIT)cinventoryccancreducecinventoryccostscandcincreasecrevenue.cAcstandardcc
ommunicationcline,cencryptedcorcnot,cwouldcnotcbecablectochandlecthechighcbandwidt
hcneededcforcdata,cvoicecandcvideoctransmissions.
2. AccompetitorcwouldcbecablectocnarrowcthecgapcbycadoptingcthecJITctypecofcinvento
rycmanagement.cVoicecandcvideocarecnotcnecessaryctockeepcthecinventorycupctocdat
econcactimelycbasis,cdatactransmissionscalonecwouldcworkcwell.
1-1
, Answer to Your Turn 1-3: Too Much Paper, Part 1
c c c c c c c c c
c System Request c
Element Description
Sponsor DocumentcManager.
BusinesscNeed Increasecefficiencycincstoring,cupdating,candcretrieving
informationconcemployeecinjurycclaims.
BusinesscRequirements Automatedcsystemcwhichcallowscforcelectronic
submissioncofcreportscviacacsecurecwebcsite.
BusinesscValue Reducecresponsectimecforcemployeecinquiries,cincreaseceff
ectivenesscofcstoring,cupdating,candcretrieving
employeecinjurycclaims.cReducecstorageccostscofcpapercfile
s.
SpecialcIssues Mustchavecsomeonecwhocunderstandschowctoccreatecandcm
aintaincacsecurecwebcsite.cMustchavecresourcesctocmigratec
papercfilesctocdatacstorage.cMustcworkcwithincHIPAAcguid
elinesctocensurecthatcmedicalcdocuments
arectreatedcaccordingctocregulations.
Answer toYourTurn 1-4: Too Much Paper, Part 2
c c c c c c c c c
1. cIssuescarisingcfromcdigitalcsignaturescandcelectroniccdocumentsctypicallycfocusconce
stablishingcvaliditycforcsignaturescandcoriginators.cAscthesecissuesccancbecovercome
cusingccertificatescandcencryption,ctheycdon‘tcnecessarilycaffectcthecproject cfeasibilit
y.cHowever,ctheycdocneedctocbecaddressed.
2. Answerscwillcvary.cThecprojectcchampion,corganizationalcmanagement,candcperha
pscmostcimportantlycacsubsetcofcthecstakeholderscmustcbelievecincandcshowcsupport
cforcthecproject. cOnecsolutioncwouldcbectocplancandcprovidecforcsufficientctrainingct
hatcdemonstrateschowctheircjobscmightcbeceasierctocaccomplishcwithcthecautomated
csystem.
Answer to Concepts inAction 1-A:AnArray of IT Failures
c c c c c c c c c c
Qantascprovidescforcanc―ice-
breaker‖cdiscussionctopiccforcthecfirstcclass.cPerhapscgroupcthecstudentscandchavecthemcdis
cusscthisccompanycandcthencprovidecforcclasscdiscussioncaboutcthecimportancecofcITcproje
ctcsuccess.
Answer to Concepts inAction 1-B: BPI on the Farm
c c c c c c c c c
EfficiencycgainscarecmentionedcincthiscConceptcincAction.cWhatcarecthecdrawbacksctocthiscsc
enario?cIscitcasceasycascitcseems?cIssuescsuchcascWi-
Ficcoverageconcacfarm,cperhapscevenccellularccoverageccanccomecintocplaycasccancweather,cd
ust,candcothercissuescinherentcwithcacfarmingcenterprise.
1-2
, Answer to Concepts inAction 1-
c c c c c
C: Interview with Don Hallacy, President, Technology Servi
c c c c c c c
ces, Sprint Corporation c c
Thisciscancopportunectimectocidentifycthecresponsibilitiescofcthecdifferingcrolescthatcancanalys
tcserves.
c c Answer to Concepts inAction 1-D: Intangible Value at Carlson Hospitality
c c c c c c c c c c
CarlsoncHospitalityccancusecthecinformationcfromcthecsurveyctocdeterminecwhetherctheco
ne-
pointcincreasecincmarketcsharecrevenuec($20cmillioncpercpoint)cwillcoffsetccostscassociate
dcwithcincreasingctheclevelcofcservicesctochigh-
qualityccustomerscwhichcwouldcresultcincac10%cincreasecinccustomercsatisfaction.
Answer to Concepts inAction 1-E: Return on Investment
c c c c c c c c
1. OnecmethodcforcdeterminingcacreturnconcinvestmentcisctoccompletecacCost-
BenefitcAnalysiscusingcthecPresentcValuecMethod.cManycofctheccostscforcservercvirtu
alizationcarecassociatedcwithcthecinitialcconstruction:cphysicalcmanipulationcofcthecse
rverscandcsoftwareclicensing.cThecongoingccostscofclaborcincupdatingcandcaccessingct
ablescwouldcbecrelativelycsmall.cUsingcthisctypecofcanalysiscwouldcallowcthecprojectc
sponsorsctocshowchowcthecbenefitscofcthecvirtualizationcwouldcbecrealizedconcaclongct
ermcbasis.
2. Implementingcacmajorcchangectocacsystemcshouldccertainlycincludecacsystemscanalys
t.cSystemscanalystsctypicallychavecacbroadcviewcofcthecsystem,candcwouldcbecablectoca
scertainchowcvirtualizingcthecserverscwillcaffectcthecwholecsystem.
Answers to End of Chapter Questions
c c c c c
1. Listcandcdescribecthecsixcgeneralcskillscallcprojectcteamcmemberscshouldchave.
[1]cTechnicalcskillsc(knowledgecofchowctocemployctechnologycincdevelopmentcsystemcs
olutions).c[2]cBusinesscskillsc(knowledgecofchowctocapplycITctocbusinesscproblemsctocac
hievecacvaluablecsolution).c[3]cAnalyticalcskillsc(abilityctocsolveccomplexcproblems).
[4]cInterpersonalcskillsc(oralcandcwrittenccommunicationcskillscwithcbothctechnicalcandcn
on-
technicalcaudiences).c[5]cManagementcskillsc(abilityctocmanagecotherscandccopecwithcanc
uncertaincenvironment).c[6]cEthicalcskillsc(abilityctocdealcwithcotherschonestlycandcethic
ally).
2. Whatcarecthecmajorcrolesconcacprojectcteam?
1-3
, Businesscanalystc–
cemphasisconcthecbusinesscissuescaddressedcbycthecsystem:cvaluecofcnewcsystem;cidentific
ationcofcproblemscandcopportunities;crevisioncofcbusinesscprocessescandcpolicies.
Systemscanalystc–
cemphasisconcIScissues cofcthecsystem:chowcITccancbecusedctocsupportcbusinesscprocesses;
cdesigncofcnewcbusiness cprocess candcIS; candcenforcementcofc IS cstandards.
Infrastructurecanalystc–
ctechnicalcissuescassociatedcwithcintegratingcnewcsystemccomponentsctocexistingctechni
calcinfrastructure.
Requirementscanalystc–
celicitingcthecrequirementscofcthecnewcsystemcfromcallcstakeholders.cTheycunderstandcth
ecbusinesscwell,carecexcellentccommunicators,candcarechighlycskilledcincobtainingcsyste
mcrequirements.
Changecmanagementcanalystc–
cemphasisconcfacilitatingcorganizationalcadaptationctocnewcsystem.cHelpingctocidentifyca
ndcovercomecresistancectocchangecandcassuringcadequatectrainingcandcdocumentationcof
cnewcsystem.
Projectcmanagerc–
censuringcthatcprogressciscmadeconcthecproject;ctimecschedulescandcbudgets carecmet;csupe
rvisioncofcprojectcteam;candcmanagecrelationscwithcprojectcsponsorcandcusers.
3. Comparecandccontrastcthecrolecofcacsystemscanalyst,cbusinesscanalyst,candci
nfrastructurecanalyst.
Thesecthreecrolescemphasizecdifferentcperspectivesconcthecsystem.cThecbusinesscanalystc
representscthecsponsor/userscinterests,cwhilecthecsystemscanalystcknowschowctocapplycISc
tocsupportcbusinesscneeds.cTogether,cthecsystemscanalystcandcthecbusinesscanalystccancde
signcacsystemcthatcconformsctocthecIScstandardscwhilecaddingcvaluectocthecbusiness.cTheci
nfrastructurecanalystchascmorectechnicalcknowledgecandcprovidescthecteamcwithctechnic
alcconstraints,corcidentifiescinfrastructurecchangescthatcthecnewcsystemcwillcrequire.
4. Comparecandccontrastcthecrolecofcrequirementscanalyst,cchangecmanagementcanalyst,ca
ndcprojectcmanager.
Thesecthreecrolescalsocemphasizecdifferentcperspectivesconcthecsystem.cThecrequirement
scanalystcfocusesconcelicitingcthecrequirementscfromcthecsystemcstakeholders.cThecchang
ecmanagementcanalystcfocusesconcpeoplecandcmanagingc issuescsurroundingcthecinstallat
ioncofcthecsystem.cThecprojectcmanagercensurescthatcthecprojectcisccompletedconctimecand
cwithincbudgetcandcthatcthecsystemcdeliverscthecexpectedcvaluectocthecorganization.
5. Describecthecmajorcphasescincthecsystemscdevelopmentclifeccyclec(SDLC).
Thecplanningcphasecfocusesconcdeterminingcifcthereciscjustificationctocbuildcancinformati
oncsystemcandcdevelopingcacplanctocaccomplishcthecdevelopmentcproject.cThecanalysiscp
haseciscfocusedconcunderstandingcthecexistingcsituationcandcdeterminingcthecneedscandcre
quirementscexpectedcfromcthecnewcsystem.cThecdesigncphasecrefinescthecsystemcrequire
mentsc(fromcanalysis)candcdevelopscspecificationscforchowcthecnew
1-4
Dennis,Wixom,RothSystemsAnalysisandDesign,8thEdition
Chapter 1-13 c
Chapter1:TheSystemsAnalystandInformation
c c c c c c
SystemsDevelopmentc
Answer to Your Turn 1-1: Being anAnalyst
c c c c c c c
Studentcanswerscwillcvary,cdependingconctheircpreferencescregardingcbeingca:c1)csystemscan
alyst,c2)cbusinesscanalyst,c3)crequirementscanalyst,c4)cinfrastructurecanalyst,corc5)cchangecm
anagementcanalyst.cVerifycthatcthecstudentchasccorrectlycassociatedcthecskillscneededcwithct
hectypecofcanalystcforcwhichctheycaspirecandcthatcthecstudentchasccreatedcacplanctocacquirecth
osecskills.cThecrolescandcthecnamescusedctocdescribecthemcmaycvarycfromcorganizationctocor
ganization.
Answer toYourTurn 1-2: Implementing a Satellite Data Network
c c c c c c c c c
Whilecanswerscmaycvary,canswerscmightcincludecthecfollowing:
1. Accost-
benefitcanalysis,calongcwithcothercfinancialcprocessesc(ROI,cetc.)cwouldccertainlycre
vealcthatcacjust-in-
timec(JIT)cinventoryccancreducecinventoryccostscandcincreasecrevenue.cAcstandardcc
ommunicationcline,cencryptedcorcnot,cwouldcnotcbecablectochandlecthechighcbandwidt
hcneededcforcdata,cvoicecandcvideoctransmissions.
2. AccompetitorcwouldcbecablectocnarrowcthecgapcbycadoptingcthecJITctypecofcinvento
rycmanagement.cVoicecandcvideocarecnotcnecessaryctockeepcthecinventorycupctocdat
econcactimelycbasis,cdatactransmissionscalonecwouldcworkcwell.
1-1
, Answer to Your Turn 1-3: Too Much Paper, Part 1
c c c c c c c c c
c System Request c
Element Description
Sponsor DocumentcManager.
BusinesscNeed Increasecefficiencycincstoring,cupdating,candcretrieving
informationconcemployeecinjurycclaims.
BusinesscRequirements Automatedcsystemcwhichcallowscforcelectronic
submissioncofcreportscviacacsecurecwebcsite.
BusinesscValue Reducecresponsectimecforcemployeecinquiries,cincreaseceff
ectivenesscofcstoring,cupdating,candcretrieving
employeecinjurycclaims.cReducecstorageccostscofcpapercfile
s.
SpecialcIssues Mustchavecsomeonecwhocunderstandschowctoccreatecandcm
aintaincacsecurecwebcsite.cMustchavecresourcesctocmigratec
papercfilesctocdatacstorage.cMustcworkcwithincHIPAAcguid
elinesctocensurecthatcmedicalcdocuments
arectreatedcaccordingctocregulations.
Answer toYourTurn 1-4: Too Much Paper, Part 2
c c c c c c c c c
1. cIssuescarisingcfromcdigitalcsignaturescandcelectroniccdocumentsctypicallycfocusconce
stablishingcvaliditycforcsignaturescandcoriginators.cAscthesecissuesccancbecovercome
cusingccertificatescandcencryption,ctheycdon‘tcnecessarilycaffectcthecproject cfeasibilit
y.cHowever,ctheycdocneedctocbecaddressed.
2. Answerscwillcvary.cThecprojectcchampion,corganizationalcmanagement,candcperha
pscmostcimportantlycacsubsetcofcthecstakeholderscmustcbelievecincandcshowcsupport
cforcthecproject. cOnecsolutioncwouldcbectocplancandcprovidecforcsufficientctrainingct
hatcdemonstrateschowctheircjobscmightcbeceasierctocaccomplishcwithcthecautomated
csystem.
Answer to Concepts inAction 1-A:AnArray of IT Failures
c c c c c c c c c c
Qantascprovidescforcanc―ice-
breaker‖cdiscussionctopiccforcthecfirstcclass.cPerhapscgroupcthecstudentscandchavecthemcdis
cusscthisccompanycandcthencprovidecforcclasscdiscussioncaboutcthecimportancecofcITcproje
ctcsuccess.
Answer to Concepts inAction 1-B: BPI on the Farm
c c c c c c c c c
EfficiencycgainscarecmentionedcincthiscConceptcincAction.cWhatcarecthecdrawbacksctocthiscsc
enario?cIscitcasceasycascitcseems?cIssuescsuchcascWi-
Ficcoverageconcacfarm,cperhapscevenccellularccoverageccanccomecintocplaycasccancweather,cd
ust,candcothercissuescinherentcwithcacfarmingcenterprise.
1-2
, Answer to Concepts inAction 1-
c c c c c
C: Interview with Don Hallacy, President, Technology Servi
c c c c c c c
ces, Sprint Corporation c c
Thisciscancopportunectimectocidentifycthecresponsibilitiescofcthecdifferingcrolescthatcancanalys
tcserves.
c c Answer to Concepts inAction 1-D: Intangible Value at Carlson Hospitality
c c c c c c c c c c
CarlsoncHospitalityccancusecthecinformationcfromcthecsurveyctocdeterminecwhetherctheco
ne-
pointcincreasecincmarketcsharecrevenuec($20cmillioncpercpoint)cwillcoffsetccostscassociate
dcwithcincreasingctheclevelcofcservicesctochigh-
qualityccustomerscwhichcwouldcresultcincac10%cincreasecinccustomercsatisfaction.
Answer to Concepts inAction 1-E: Return on Investment
c c c c c c c c
1. OnecmethodcforcdeterminingcacreturnconcinvestmentcisctoccompletecacCost-
BenefitcAnalysiscusingcthecPresentcValuecMethod.cManycofctheccostscforcservercvirtu
alizationcarecassociatedcwithcthecinitialcconstruction:cphysicalcmanipulationcofcthecse
rverscandcsoftwareclicensing.cThecongoingccostscofclaborcincupdatingcandcaccessingct
ablescwouldcbecrelativelycsmall.cUsingcthisctypecofcanalysiscwouldcallowcthecprojectc
sponsorsctocshowchowcthecbenefitscofcthecvirtualizationcwouldcbecrealizedconcaclongct
ermcbasis.
2. Implementingcacmajorcchangectocacsystemcshouldccertainlycincludecacsystemscanalys
t.cSystemscanalystsctypicallychavecacbroadcviewcofcthecsystem,candcwouldcbecablectoca
scertainchowcvirtualizingcthecserverscwillcaffectcthecwholecsystem.
Answers to End of Chapter Questions
c c c c c
1. Listcandcdescribecthecsixcgeneralcskillscallcprojectcteamcmemberscshouldchave.
[1]cTechnicalcskillsc(knowledgecofchowctocemployctechnologycincdevelopmentcsystemcs
olutions).c[2]cBusinesscskillsc(knowledgecofchowctocapplycITctocbusinesscproblemsctocac
hievecacvaluablecsolution).c[3]cAnalyticalcskillsc(abilityctocsolveccomplexcproblems).
[4]cInterpersonalcskillsc(oralcandcwrittenccommunicationcskillscwithcbothctechnicalcandcn
on-
technicalcaudiences).c[5]cManagementcskillsc(abilityctocmanagecotherscandccopecwithcanc
uncertaincenvironment).c[6]cEthicalcskillsc(abilityctocdealcwithcotherschonestlycandcethic
ally).
2. Whatcarecthecmajorcrolesconcacprojectcteam?
1-3
, Businesscanalystc–
cemphasisconcthecbusinesscissuescaddressedcbycthecsystem:cvaluecofcnewcsystem;cidentific
ationcofcproblemscandcopportunities;crevisioncofcbusinesscprocessescandcpolicies.
Systemscanalystc–
cemphasisconcIScissues cofcthecsystem:chowcITccancbecusedctocsupportcbusinesscprocesses;
cdesigncofcnewcbusiness cprocess candcIS; candcenforcementcofc IS cstandards.
Infrastructurecanalystc–
ctechnicalcissuescassociatedcwithcintegratingcnewcsystemccomponentsctocexistingctechni
calcinfrastructure.
Requirementscanalystc–
celicitingcthecrequirementscofcthecnewcsystemcfromcallcstakeholders.cTheycunderstandcth
ecbusinesscwell,carecexcellentccommunicators,candcarechighlycskilledcincobtainingcsyste
mcrequirements.
Changecmanagementcanalystc–
cemphasisconcfacilitatingcorganizationalcadaptationctocnewcsystem.cHelpingctocidentifyca
ndcovercomecresistancectocchangecandcassuringcadequatectrainingcandcdocumentationcof
cnewcsystem.
Projectcmanagerc–
censuringcthatcprogressciscmadeconcthecproject;ctimecschedulescandcbudgets carecmet;csupe
rvisioncofcprojectcteam;candcmanagecrelationscwithcprojectcsponsorcandcusers.
3. Comparecandccontrastcthecrolecofcacsystemscanalyst,cbusinesscanalyst,candci
nfrastructurecanalyst.
Thesecthreecrolescemphasizecdifferentcperspectivesconcthecsystem.cThecbusinesscanalystc
representscthecsponsor/userscinterests,cwhilecthecsystemscanalystcknowschowctocapplycISc
tocsupportcbusinesscneeds.cTogether,cthecsystemscanalystcandcthecbusinesscanalystccancde
signcacsystemcthatcconformsctocthecIScstandardscwhilecaddingcvaluectocthecbusiness.cTheci
nfrastructurecanalystchascmorectechnicalcknowledgecandcprovidescthecteamcwithctechnic
alcconstraints,corcidentifiescinfrastructurecchangescthatcthecnewcsystemcwillcrequire.
4. Comparecandccontrastcthecrolecofcrequirementscanalyst,cchangecmanagementcanalyst,ca
ndcprojectcmanager.
Thesecthreecrolescalsocemphasizecdifferentcperspectivesconcthecsystem.cThecrequirement
scanalystcfocusesconcelicitingcthecrequirementscfromcthecsystemcstakeholders.cThecchang
ecmanagementcanalystcfocusesconcpeoplecandcmanagingc issuescsurroundingcthecinstallat
ioncofcthecsystem.cThecprojectcmanagercensurescthatcthecprojectcisccompletedconctimecand
cwithincbudgetcandcthatcthecsystemcdeliverscthecexpectedcvaluectocthecorganization.
5. Describecthecmajorcphasescincthecsystemscdevelopmentclifeccyclec(SDLC).
Thecplanningcphasecfocusesconcdeterminingcifcthereciscjustificationctocbuildcancinformati
oncsystemcandcdevelopingcacplanctocaccomplishcthecdevelopmentcproject.cThecanalysiscp
haseciscfocusedconcunderstandingcthecexistingcsituationcandcdeterminingcthecneedscandcre
quirementscexpectedcfromcthecnewcsystem.cThecdesigncphasecrefinescthecsystemcrequire
mentsc(fromcanalysis)candcdevelopscspecificationscforchowcthecnew
1-4
