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EIU CIS 3000 - require

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Essentials of Systems Analysis and DesignPerforming Requirements DeterminationSlide 3Deliverables and OutcomesSlide 5Traditional Methods for Determining RequirementsSlide 7Slide 8PowerPoint PresentationSlide 10Slide 11Slide 12Slide 13Slide 14Slide 15Slide 161-1Essentials of Systems Analysis and DesignChapter 4: Determining System Requirements1-2Performing Requirements DeterminationGather information on what the system should do from many sourcesUsersReportsFormsProcedures4.24.21-3Performing Requirements DeterminationCharacteristics for gathering requirementsImpertinence•Question everythingImpartiality•Find the best organizational solutionRelaxation of constraintsAttention to detailReframing•View the organization in new ways4.34.31-4Deliverables and OutcomesTypes of deliverables:Information collected from usersExisting documents and filesComputer-based informationUnderstanding of organizational components•Business objective•Information needs•Rules of data processing•Key events4.44.41-54.54.5Deliverables and Outcomes1-6Traditional Methods for Determining Requirements4.64.61-7Traditional Methods for Determining RequirementsWork a short while in the user departmentWatchingInterviewing and Listening•Gather facts, opinions and speculations•Observe body language and emotions•GuidelinesPlanoChecklistoAppointmentBe neutralListenSeek a diverse view4.74.71-8Traditional Methods for Determining RequirementsInterviewing (Continued)Interview Questions•Open-EndedNo prespecified answers•Close-EndedRespondent is asked to choose from a set of specified responsesGroup versus Individuals•Advantages/Disadvantages4.84.81-94.94.91-104.104.101-114.114.111-12Traditional Methods for Determining RequirementsAdministering Questionnaires•More cost-effective than interviews•Choosing respondentsShould be representative of all users4.124.121-13Traditional Methods for Determining RequirementsQuestionnairesDesign•Mostly closed-ended questions•Can be administered over the phone, in person or over the Internet or company intranet•E-mail?Vs. Interviews•Interviews cost more but yield more information•Questionnaires are more cost-effective4.134.131-144.144.141-15Traditional Methods for Determining RequirementsDirectly Observing Users•Serves as a good method to supplement interviews•Often difficult to obtain unbiased dataPeople often work differently when being


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EIU CIS 3000 - require

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