Pengantar Analisis Dan Desain Sistem Informasi

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Pengantar Analisis Dan Desain Sistem Informasi

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Pengantar Analisis Dan Desain Sistem Informasi

  1. 1. Pendahuluan Analisis dan Desain Sistem Informasi Sherly Christina, S.Kom., M.Kom
  2. 2. Materi • Definisi Analisis dan Desain Sistem Informasi • System Analyst • Review SDLC 2
  3. 3. Definisi Analisis dan Desain Sistem Informasi • Systems Analysis and Design is the process people use to create (automated) information systems. 3
  4. 4. Definisi Analisis dan Desain Sistem Informasi • Nama lain: – Software Engineering – Information System Engineering – System Engineering – Information System Engineering 4
  5. 5. Sistem Analyst • Profesi yang mempelajari permasalahan- permasalahan dan kebutuhan-kebutuhan suatu organisasi untuk meningkatkan performa organisasi tersebut. 5
  6. 6. Keahlian Sistem Analyst • Agents of change – Identify ways to improve the organization – Motivate & train others 6
  7. 7. Keahlian Sistem Analyst • Skills needed: – Technical: must understand the technology – Business: must know the business processes – Analytical: must be able to solve problems – Communications: technical & non-technical audiences – Interpersonal: leadership & management – Ethics: deal fairly and protect confidential information 7
  8. 8. Peranan System Analyst 8
  9. 9. Systems Development Life Cycle (SDLC) Planning Analysis Design Implementation 9
  10. 10. SDLC Process • Terdiri atas 4 fase • Tiap fase terdiri atas beberapa langkah • Tiap fase terdokumentasi • Tiap fase dapat dieksekusi secara sequentially, incrementally, iteratively atau dalam pola lain. 10
  11. 11. Questions to be Answered • Planning phase – Why should we build this system? – What value does it provide? – How long will it take to build? • Analysis phase – Who will use it? – What should the system do for us? – Where & when will it be used? • Design phase – How should we build it? 11
  12. 12. SDLC: Fase Planning 1. Project Initiation – Develop/receive a system request – Conduct a feasibility analysis • Technical feasibility • Economic feasibility • Organizational feasibility 2. Project Management – Develop the work plan – Staff the project – Monitor & control the project 12
  13. 13. SDLC: Fase Analysis 1. Develop an analysis strategy – Model the current system – Formulate the new system 2. Gather the requirements – Develop a system concept – Create a business model to represent: • Business data • Business processes 3. Develop a system proposal 13
  14. 14. SDLC: Fase Design 1. Develop a design strategy 2. Design architecture and interfaces 3. Develop databases and file specifications 4. Develop the program design to specify: – What programs to write – What each program will do 14
  15. 15. SDLC: Fase Implementation 1. Construct the system – Build it (write the programming code) – Test it 2. Install system – Train the users 3. Support the system (maintenance) 15
  16. 16. SDLC: Metodologi • Methodology: a formalized approach to implementing the SDLC • Categories – Process oriented – Data centered – Object-oriented – Structured – Rapid action development – Agile development 16
  17. 17. Kelas-Kelas Metodologi • Structured Development – Waterfall Development – Parallel Development • Rapid Application Development – Phased – Prototyping • Agile Development – eXtreme Programming – SCRUM 17
  18. 18. Perbandingan antar Metodologi 18
  19. 19. Daftar Pustaka • Dennis, Wixon and Tegarden, Systems analysis and design with UML 4th, 2012 , John Wiley and Sons • Rosa A. S dan M.Shalahudin, Modul Rekayasa Perangkat Lunak (Terstruktur dan Berorientasi Objek), 2011, Modula 19
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