SolutionManualfor
Dennis,Wixom,RothSystemsAnalysisandDesign,8thEdition
Chapter 1-13 k
Chapter1:TheSystemsAnalystandInformation
k k k k k k
SystemsDevelopmentk
Answer to Your Turn 1-1: Being an Analyst
k k k k k k k
Studentkanswerskwillkvary,kdependingkonktheirkpreferenceskregardingkbeingka:k1)ksystemska
nalyst,k2)kbusinesskanalyst,k3)krequirementskanalyst,k4)kinfrastructurekanalyst,kork5)kchangek
managementkanalyst.kVerifykthatkthekstudentkhaskcorrectlykassociatedkthekskillskneededkwit
hkthektypekofkanalystkforkwhichktheykaspirekandkthatkthekstudentkhaskcreatedkakplanktokacquir
ekthosekskills.kThekroleskandktheknameskusedktokdescribekthemkmaykvarykfromkorganizationkt
okorganization.
Answer to Your Turn 1-2: Implementing a Satellite Data Network
k k k k k k k k k
Whilekanswerskmaykvary,kanswerskmightkincludekthekfollowing:
1. Akcost-
benefitkanalysis,kalongkwithkotherkfinancialkprocessesk(ROI,ketc.)kwouldkcertainlykre
vealkthatkakjust-in-
timek(JIT)kinventorykcankreducekinventorykcostskandkincreasekrevenue.kAkstandardkc
ommunicationkline,kencryptedkorknot,kwouldknotkbekablektokhandlekthekhighkbandwid
thkneededkforkdata,kvoicekandkvideoktransmissions.
2. AkcompetitorkwouldkbekablektoknarrowkthekgapkbykadoptingkthekJITktypekofkinvent
orykmanagement.kVoicekandkvideokareknotknecessaryktokkeepkthekinventorykupktokd
atekonkaktimelykbasis,kdataktransmissionskalonekwouldkworkkwell.
1-1
, Answer to Your Turn 1-3: Too Much Paper, Part 1
k k k k k k k k k
k System Request k
Element Description
Sponsor DocumentkManager.
BusinesskNeed Increasekefficiencykinkstoring,kupdating,kandkretrieving
informationkonkemployeekinjurykclaims.
BusinesskRequirements Automatedksystemkwhichkallowskforkelectronic
submissionkofkreportskviakaksecurekwebksite.
BusinesskValue Reducekresponsektimekforkemployeekinquiries,kincreasekeff
ectivenesskofkstoring,kupdating,kandkretrieving
employeekinjurykclaims.kReducekstoragekcostskofkpaperkfil
es.
SpecialkIssues Mustkhaveksomeonekwhokunderstandskhowktokcreatekandk
maintainkaksecurekwebksite.kMustkhavekresourcesktokmigra
tekpaperkfilesktokdatakstorage.kMustkworkkwithinkHIPAAkg
uidelinesktokensurekthatkmedicalkdocuments
arektreatedkaccordingktokregulations.
Answer to Your Turn 1-4: Too Much Paper, Part 2
k k k k k k k k k
1. Issueskarisingkfromkdigitalksignatureskandkelectronickdocumentsktypicallykfocuskonk
establishingkvaliditykforksignatureskandkoriginators.kAskthesekissueskcankbekoverco
mekusingkcertificateskandkencryption,ktheykdon‘tknecessarilykaffectkthekprojectkfeasi
bility.kHowever,ktheykdokneedktokbekaddressed.
2. Answerskwillkvary.kThekprojectkchampion,korganizationalkmanagement,kandkperh
apskmostkimportantlykaksubsetkofkthekstakeholderskmustkbelievekinkandkshowksupp
ortkforkthekproject.kOneksolutionkwouldkbektokplankandkprovidekforksufficientktraini
ngkthatkdemonstrateskhowktheirkjobskmightkbekeasierktokaccomplishkwithkthekautom
atedksystem.
Answer to Concepts in Action 1-A: An Array of IT Failures
k k k k k k k k k k
Qantaskprovideskforkank―ice-
breaker‖kdiscussionktopickforkthekfirstkclass.kPerhapskgroupkthekstudentskandkhavekthemkdi
scusskthiskcompanykandkthenkprovidekforkclasskdiscussionkaboutkthekimportancekofkITkpro
jectksuccess.
Answer to Concepts in Action 1-B: BPI on the Farm
k k k k k k k k k
EfficiencykgainskarekmentionedkinkthiskConceptkinkAction.kWhatkarekthekdrawbacksktokthisks
cenario?kIskitkaskeasykaskitkseems?kIssuesksuchkaskWi-
Fikcoveragekonkakfarm,kperhapskevenkcellularkcoveragekcankcomekintokplaykaskcankweather,kd
ust,kandkotherkissueskinherentkwithkakfarmingkenterprise.
1-2
, Answer to Concepts in Action 1-
k k k k k
C: Interview with Don Hallacy, President, Technology Servi
k k k k k k k
ces, Sprint Corporation
k k
Thiskiskankopportunektimektokidentifykthekresponsibilitieskofkthekdifferingkroleskthatkankanaly
stkserves.
k k Answer to Concepts in Action 1-D: Intangible Value at Carlson Hospitality
k k k k k k k k k k
CarlsonkHospitalitykcankusekthekinformationkfromktheksurveyktokdeterminekwhetherktheko
ne-
pointkincreasekinkmarketksharekrevenuek($20kmillionkperkpoint)kwillkoffsetkcostskassociat
edkwithkincreasingktheklevelkofkservicesktokhigh-
qualitykcustomerskwhichkwouldkresultkinkak10%kincreasekinkcustomerksatisfaction.
Answer to Concepts in Action 1-E: Return on Investment
k k k k k k k k
1. OnekmethodkforkdeterminingkakreturnkonkinvestmentkisktokcompletekakCost-
BenefitkAnalysiskusingkthekPresentkValuekMethod.kManykofkthekcostskforkserverkvirt
ualizationkarekassociatedkwithkthekinitialkconstruction:kphysicalkmanipulationkofkthek
serverskandksoftwareklicensing.kThekongoingkcostskofklaborkinkupdatingkandkaccessin
gktableskwouldkbekrelativelyksmall.kUsingkthisktypekofkanalysiskwouldkallowkthekproj
ectksponsorsktokshowkhowkthekbenefitskofkthekvirtualizationkwouldkbekrealizedkonkakl
ongktermkbasis.
2. Implementingkakmajorkchangektokaksystemkshouldkcertainlykincludekaksystemskanaly
st.kSystemskanalystsktypicallykhavekakbroadkviewkofktheksystem,kandkwouldkbekablekto
kascertainkhowkvirtualizingkthekserverskwillkaffectkthekwholeksystem.
Answers to End of Chapter Questions
k k k k k
1. Listkandkdescribektheksixkgeneralkskillskallkprojectkteamkmemberskshouldkhave.
[1]kTechnicalkskillsk(knowledgekofkhowktokemployktechnologykinkdevelopmentksystemks
olutions).k[2]kBusinesskskillsk(knowledgekofkhowktokapplykITktokbusinesskproblemsktokac
hievekakvaluableksolution).k[3]kAnalyticalkskillsk(abilityktoksolvekcomplexkproblems).
[4]kInterpersonalkskillsk(oralkandkwrittenkcommunicationkskillskwithkbothktechnicalkandk
non-
technicalkaudiences).k[5]kManagementkskillsk(abilityktokmanagekotherskandkcopekwithkan
kuncertainkenvironment).k[6]kEthicalkskillsk(abilityktokdealkwithkotherskhonestlykandkethi
cally).
2. Whatkarekthekmajorkroleskonkakprojectkteam?
1-3
, Businesskanalystk–
kemphasiskonkthekbusinesskissueskaddressedkbyktheksystem:kvaluekofknewksystem;kidentifi
cationkofkproblemskandkopportunities;krevisionkofkbusinesskprocesseskandkpolicies.
Systemskanalystk–
kemphasiskonkISkissueskofktheksystem:khowkITkcankbekusedktoksupportkbusinesskprocesse
s;kdesignkofknewkbusinesskprocesskandkIS;kandkenforcementkofkISkstandards.
Infrastructurekanalystk–
ktechnicalkissueskassociatedkwithkintegratingknewksystemkcomponentsktokexistingktechni
calkinfrastructure.
Requirementskanalystk–
kelicitingkthekrequirementskofktheknewksystemkfromkallkstakeholders.kTheykunderstandkt
hekbusinesskwell,karekexcellentkcommunicators,kandkarekhighlykskilledkinkobtainingksyst
emkrequirements.
Changekmanagementkanalystk–
kemphasiskonkfacilitatingkorganizationalkadaptation ktoknewksystem.kHelpingktokidentifyka
ndkovercomekresistancektokchangekandkassuringkadequatektrainingkandkdocumentationko
fknewksystem.
Projectkmanagerk–
kensuringkthatkprogresskiskmadekonkthekproject;ktimekscheduleskandkbudgetskarekmet;ksup
ervisionkofkprojectkteam;kandkmanagekrelationskwithkprojectksponsorkandkusers.
3. Comparekandkcontrastkthekrolekofkaksystemskanalyst,kbusinesskanalyst,kandki
nfrastructurekanalyst.
Thesekthreekroleskemphasizekdifferentkperspectiveskonktheksystem.kThekbusinesskanalyst
krepresentsktheksponsor/userskinterests,kwhilektheksystemskanalystkknowskhowktokapplykI
Sktoksupportkbusinesskneeds.kTogether,ktheksystemskanalystkandkthekbusinesskanalystkcan
kdesignkaksystemkthatkconformsktokthekISkstandardskwhilekaddingkvaluektokthekbusiness.k
Thekinfrastructurekanalystkhaskmorektechnicalkknowledgekandkprovideskthekteamkwithkte
chnicalkconstraints,korkidentifieskinfrastructurekchangeskthatktheknewksystemkwillkrequir
e.
4. Comparekandkcontrastkthekrolekofkrequirementskanalyst,kchangekmanagementkanalyst,ka
ndkprojectkmanager.
Thesekthreekroleskalsokemphasizekdifferentkperspectiveskonktheksystem.kThekrequiremen
tskanalystkfocuseskonkelicitingkthekrequirementskfromktheksystemkstakeholders.kThekchan
gekmanagementkanalystkfocuseskonkpeoplekandkmanagingk issuesksurroundingkthekinstall
ationkofktheksystem.kThekprojectkmanagerkensureskthatkthekprojectkiskcompletedkonktimek
andkwithinkbudgetkandkthatktheksystemkdeliverskthekexpectedkvaluektokthekorganization.
5. Describekthekmajorkphaseskinktheksystemskdevelopmentklifekcyclek(SDLC).
Thekplanningkphasekfocuseskonkdeterminingkifktherekiskjustificationktokbuildkankinformat
ionksystemkandkdevelopingkakplanktokaccomplishkthekdevelopmentkproject.kThekanalysisk
phasekiskfocusedkonkunderstandingkthekexistingksituationkandkdeterminingkthekneedskandk
requirementskexpectedkfromktheknewksystem.kThekdesignkphasekrefinesktheksystemkrequi
rementsk(fromkanalysis)kandkdevelopskspecificationskforkhowktheknew
1-4
Dennis,Wixom,RothSystemsAnalysisandDesign,8thEdition
Chapter 1-13 k
Chapter1:TheSystemsAnalystandInformation
k k k k k k
SystemsDevelopmentk
Answer to Your Turn 1-1: Being an Analyst
k k k k k k k
Studentkanswerskwillkvary,kdependingkonktheirkpreferenceskregardingkbeingka:k1)ksystemska
nalyst,k2)kbusinesskanalyst,k3)krequirementskanalyst,k4)kinfrastructurekanalyst,kork5)kchangek
managementkanalyst.kVerifykthatkthekstudentkhaskcorrectlykassociatedkthekskillskneededkwit
hkthektypekofkanalystkforkwhichktheykaspirekandkthatkthekstudentkhaskcreatedkakplanktokacquir
ekthosekskills.kThekroleskandktheknameskusedktokdescribekthemkmaykvarykfromkorganizationkt
okorganization.
Answer to Your Turn 1-2: Implementing a Satellite Data Network
k k k k k k k k k
Whilekanswerskmaykvary,kanswerskmightkincludekthekfollowing:
1. Akcost-
benefitkanalysis,kalongkwithkotherkfinancialkprocessesk(ROI,ketc.)kwouldkcertainlykre
vealkthatkakjust-in-
timek(JIT)kinventorykcankreducekinventorykcostskandkincreasekrevenue.kAkstandardkc
ommunicationkline,kencryptedkorknot,kwouldknotkbekablektokhandlekthekhighkbandwid
thkneededkforkdata,kvoicekandkvideoktransmissions.
2. AkcompetitorkwouldkbekablektoknarrowkthekgapkbykadoptingkthekJITktypekofkinvent
orykmanagement.kVoicekandkvideokareknotknecessaryktokkeepkthekinventorykupktokd
atekonkaktimelykbasis,kdataktransmissionskalonekwouldkworkkwell.
1-1
, Answer to Your Turn 1-3: Too Much Paper, Part 1
k k k k k k k k k
k System Request k
Element Description
Sponsor DocumentkManager.
BusinesskNeed Increasekefficiencykinkstoring,kupdating,kandkretrieving
informationkonkemployeekinjurykclaims.
BusinesskRequirements Automatedksystemkwhichkallowskforkelectronic
submissionkofkreportskviakaksecurekwebksite.
BusinesskValue Reducekresponsektimekforkemployeekinquiries,kincreasekeff
ectivenesskofkstoring,kupdating,kandkretrieving
employeekinjurykclaims.kReducekstoragekcostskofkpaperkfil
es.
SpecialkIssues Mustkhaveksomeonekwhokunderstandskhowktokcreatekandk
maintainkaksecurekwebksite.kMustkhavekresourcesktokmigra
tekpaperkfilesktokdatakstorage.kMustkworkkwithinkHIPAAkg
uidelinesktokensurekthatkmedicalkdocuments
arektreatedkaccordingktokregulations.
Answer to Your Turn 1-4: Too Much Paper, Part 2
k k k k k k k k k
1. Issueskarisingkfromkdigitalksignatureskandkelectronickdocumentsktypicallykfocuskonk
establishingkvaliditykforksignatureskandkoriginators.kAskthesekissueskcankbekoverco
mekusingkcertificateskandkencryption,ktheykdon‘tknecessarilykaffectkthekprojectkfeasi
bility.kHowever,ktheykdokneedktokbekaddressed.
2. Answerskwillkvary.kThekprojectkchampion,korganizationalkmanagement,kandkperh
apskmostkimportantlykaksubsetkofkthekstakeholderskmustkbelievekinkandkshowksupp
ortkforkthekproject.kOneksolutionkwouldkbektokplankandkprovidekforksufficientktraini
ngkthatkdemonstrateskhowktheirkjobskmightkbekeasierktokaccomplishkwithkthekautom
atedksystem.
Answer to Concepts in Action 1-A: An Array of IT Failures
k k k k k k k k k k
Qantaskprovideskforkank―ice-
breaker‖kdiscussionktopickforkthekfirstkclass.kPerhapskgroupkthekstudentskandkhavekthemkdi
scusskthiskcompanykandkthenkprovidekforkclasskdiscussionkaboutkthekimportancekofkITkpro
jectksuccess.
Answer to Concepts in Action 1-B: BPI on the Farm
k k k k k k k k k
EfficiencykgainskarekmentionedkinkthiskConceptkinkAction.kWhatkarekthekdrawbacksktokthisks
cenario?kIskitkaskeasykaskitkseems?kIssuesksuchkaskWi-
Fikcoveragekonkakfarm,kperhapskevenkcellularkcoveragekcankcomekintokplaykaskcankweather,kd
ust,kandkotherkissueskinherentkwithkakfarmingkenterprise.
1-2
, Answer to Concepts in Action 1-
k k k k k
C: Interview with Don Hallacy, President, Technology Servi
k k k k k k k
ces, Sprint Corporation
k k
Thiskiskankopportunektimektokidentifykthekresponsibilitieskofkthekdifferingkroleskthatkankanaly
stkserves.
k k Answer to Concepts in Action 1-D: Intangible Value at Carlson Hospitality
k k k k k k k k k k
CarlsonkHospitalitykcankusekthekinformationkfromktheksurveyktokdeterminekwhetherktheko
ne-
pointkincreasekinkmarketksharekrevenuek($20kmillionkperkpoint)kwillkoffsetkcostskassociat
edkwithkincreasingktheklevelkofkservicesktokhigh-
qualitykcustomerskwhichkwouldkresultkinkak10%kincreasekinkcustomerksatisfaction.
Answer to Concepts in Action 1-E: Return on Investment
k k k k k k k k
1. OnekmethodkforkdeterminingkakreturnkonkinvestmentkisktokcompletekakCost-
BenefitkAnalysiskusingkthekPresentkValuekMethod.kManykofkthekcostskforkserverkvirt
ualizationkarekassociatedkwithkthekinitialkconstruction:kphysicalkmanipulationkofkthek
serverskandksoftwareklicensing.kThekongoingkcostskofklaborkinkupdatingkandkaccessin
gktableskwouldkbekrelativelyksmall.kUsingkthisktypekofkanalysiskwouldkallowkthekproj
ectksponsorsktokshowkhowkthekbenefitskofkthekvirtualizationkwouldkbekrealizedkonkakl
ongktermkbasis.
2. Implementingkakmajorkchangektokaksystemkshouldkcertainlykincludekaksystemskanaly
st.kSystemskanalystsktypicallykhavekakbroadkviewkofktheksystem,kandkwouldkbekablekto
kascertainkhowkvirtualizingkthekserverskwillkaffectkthekwholeksystem.
Answers to End of Chapter Questions
k k k k k
1. Listkandkdescribektheksixkgeneralkskillskallkprojectkteamkmemberskshouldkhave.
[1]kTechnicalkskillsk(knowledgekofkhowktokemployktechnologykinkdevelopmentksystemks
olutions).k[2]kBusinesskskillsk(knowledgekofkhowktokapplykITktokbusinesskproblemsktokac
hievekakvaluableksolution).k[3]kAnalyticalkskillsk(abilityktoksolvekcomplexkproblems).
[4]kInterpersonalkskillsk(oralkandkwrittenkcommunicationkskillskwithkbothktechnicalkandk
non-
technicalkaudiences).k[5]kManagementkskillsk(abilityktokmanagekotherskandkcopekwithkan
kuncertainkenvironment).k[6]kEthicalkskillsk(abilityktokdealkwithkotherskhonestlykandkethi
cally).
2. Whatkarekthekmajorkroleskonkakprojectkteam?
1-3
, Businesskanalystk–
kemphasiskonkthekbusinesskissueskaddressedkbyktheksystem:kvaluekofknewksystem;kidentifi
cationkofkproblemskandkopportunities;krevisionkofkbusinesskprocesseskandkpolicies.
Systemskanalystk–
kemphasiskonkISkissueskofktheksystem:khowkITkcankbekusedktoksupportkbusinesskprocesse
s;kdesignkofknewkbusinesskprocesskandkIS;kandkenforcementkofkISkstandards.
Infrastructurekanalystk–
ktechnicalkissueskassociatedkwithkintegratingknewksystemkcomponentsktokexistingktechni
calkinfrastructure.
Requirementskanalystk–
kelicitingkthekrequirementskofktheknewksystemkfromkallkstakeholders.kTheykunderstandkt
hekbusinesskwell,karekexcellentkcommunicators,kandkarekhighlykskilledkinkobtainingksyst
emkrequirements.
Changekmanagementkanalystk–
kemphasiskonkfacilitatingkorganizationalkadaptation ktoknewksystem.kHelpingktokidentifyka
ndkovercomekresistancektokchangekandkassuringkadequatektrainingkandkdocumentationko
fknewksystem.
Projectkmanagerk–
kensuringkthatkprogresskiskmadekonkthekproject;ktimekscheduleskandkbudgetskarekmet;ksup
ervisionkofkprojectkteam;kandkmanagekrelationskwithkprojectksponsorkandkusers.
3. Comparekandkcontrastkthekrolekofkaksystemskanalyst,kbusinesskanalyst,kandki
nfrastructurekanalyst.
Thesekthreekroleskemphasizekdifferentkperspectiveskonktheksystem.kThekbusinesskanalyst
krepresentsktheksponsor/userskinterests,kwhilektheksystemskanalystkknowskhowktokapplykI
Sktoksupportkbusinesskneeds.kTogether,ktheksystemskanalystkandkthekbusinesskanalystkcan
kdesignkaksystemkthatkconformsktokthekISkstandardskwhilekaddingkvaluektokthekbusiness.k
Thekinfrastructurekanalystkhaskmorektechnicalkknowledgekandkprovideskthekteamkwithkte
chnicalkconstraints,korkidentifieskinfrastructurekchangeskthatktheknewksystemkwillkrequir
e.
4. Comparekandkcontrastkthekrolekofkrequirementskanalyst,kchangekmanagementkanalyst,ka
ndkprojectkmanager.
Thesekthreekroleskalsokemphasizekdifferentkperspectiveskonktheksystem.kThekrequiremen
tskanalystkfocuseskonkelicitingkthekrequirementskfromktheksystemkstakeholders.kThekchan
gekmanagementkanalystkfocuseskonkpeoplekandkmanagingk issuesksurroundingkthekinstall
ationkofktheksystem.kThekprojectkmanagerkensureskthatkthekprojectkiskcompletedkonktimek
andkwithinkbudgetkandkthatktheksystemkdeliverskthekexpectedkvaluektokthekorganization.
5. Describekthekmajorkphaseskinktheksystemskdevelopmentklifekcyclek(SDLC).
Thekplanningkphasekfocuseskonkdeterminingkifktherekiskjustificationktokbuildkankinformat
ionksystemkandkdevelopingkakplanktokaccomplishkthekdevelopmentkproject.kThekanalysisk
phasekiskfocusedkonkunderstandingkthekexistingksituationkandkdeterminingkthekneedskandk
requirementskexpectedkfromktheknewksystem.kThekdesignkphasekrefinesktheksystemkrequi
rementsk(fromkanalysis)kandkdevelopskspecificationskforkhowktheknew
1-4
