可行性报告-可行性分析与系统建议书.ppt
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1、可行性分析與系統建議書可行性分析與系統建議書Alex Lai可行性 (feasibility) 可行性是一種評量,用來評可行性是一種評量,用來評估資訊發展系統將對組織有何利益。估資訊發展系統將對組織有何利益。可行性分析 (feasibility analysis) 是評量可行性是評量可行性的一個過程。的一個過程。可行性的漸進式約束法 (creeping commitment) 表示可行性應該在整個生命週期中評估。表示可行性應該在整個生命週期中評估。l操作可行性是一個解決方案在組織中運作時,是一個解決方案在組織中運作時,令人滿意程度的評量。它同時也是人們對此系令人滿意程度的評量。它同時也是人們對
2、此系統統專案感想的評量。專案感想的評量。l技術可行性是一個特定技術解決方案的實用性,是一個特定技術解決方案的實用性,以及技術上的資源與專業知識的可利用性之評以及技術上的資源與專業知識的可利用性之評量。量。l時程可行性是專案的時間表合理程度的評量。是專案的時間表合理程度的評量。l經濟可行性是專案或解決方案的成本效益之評是專案或解決方案的成本效益之評量。量。備選系統表(candidate systems matrix)說明備選系統的相似與相異說明備選系統的相似與相異之處;但是,它不提供分析。之處;但是,它不提供分析。CharacteristicsPortion of System Computer
3、izedBrief description of that portion of the system that would be computerized in this candidate.BenefitsBrief description of the business benefits that would be realized for this candidate.Servers and WorkstationsA description of the servers and workstations needed to support this candidate.Softwar
4、e Tools NeededSoftware tools needed to design and build the candidate (e.g., database management system, emulators, operating systems, languages, etc.). Not generally applicable if applications software packages are to be purchased.Candidate 1COTS package Platinum Plus from Entertainment Software So
5、lutions would be purchased and customized to satisfy Member Services required functionality.This solution can be implemented quickly because its a purchased solution.Technically architecture dictates Pentium III, MS Windows 2000 class servers and workstations (clients).MS Visual C+ and MS Access for
6、 customization of package to provide report writing and integration.Candidate 2Member Services and warehouse operations in relation to order fulfillment.Fully supports user required business processes for SoundStage Inc. Plus more efficient interaction with member accounts.Same as candidate 1.MS Vis
7、ual Basic 5.0System Architect 2001Internet ExplorerCandidate 3Same as candidate 2.Same as candidate 2.Same as candidate 1.MS Visual Basic 5.0System Architect 2001Internet Explorer(Continued)CharacteristicsApplication SoftwareA description of the software to be purchased, built, accessed, or some com
8、bination of these techniques.Method of Data ProcessingGenerally some combination of: on-line, batch, deferred batch, remote batch, and real-time.Output Devices and ImplicationsA description of output devices that would be used, special output requirements, (e.g., network, preprinted forms, etc.), an
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