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Information Systems Development

Information Systems Development. Outline. Information System - defined Information System - examples System Development Project The team System Development Life Cycle The phases. Information System - defined. System Subsystem Information System

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Information Systems Development

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  1. Information SystemsDevelopment

  2. Outline • Information System - defined • Information System - examples • System Development Project • The team • System Development Life Cycle • The phases

  3. Information System - defined • System • Subsystem • Information System • Software, Hardware, Data, Procedures, People • Common Goal: • Producing quality _____________ in order to support operations, management, and the decision making needs of an organization.

  4. Information System - examples • Distribution System • Order Fulfillment (4) • Stock Replenishment (3) • Others • Retail - POS • Restaurants - Menu Order System • Hospitals – Patient Information System • University – Registration System • Banks • Etc.

  5. System Development Project • How does the idea for a new project come about? • Problem • Opportunity • Who is involved in the development of the system? • Users • Steering Committee • Vendors • Information Technology • Managers • Systems Analysts • Data Warehouse Specialist • Database Administrators & Data Analysts • Programmers • Web Developers • Security Specialists • Network Administrators

  6. SDLC • SDLC = ______ _________ ______ _______ • What is it? Planning Analysis Design Implementation Support

  7. SDLC Phases Plan for a successful project! Steps: Review project requests Prioritize requests Allocate resources Form a development team Planning • Planning Phase

  8. SDLC Phases Determine ______ the new system should do. • Steps: • Study how the current system works • Information Gathering Techniques • Identify problems and needs • Conduct a Feasibility Study • Economic, Operational, Schedule, Technical, Political • Recommend a solution Planning Analysis Analysis Phase

  9. SDLC Phases Planning Analysis Design Design Phase • Determine _______ the new system will accomplish the tasks. • Steps: • Acquire HW & SW • Design the details of the new system

  10. SDLC Phases Prepare and install the system Steps Develop programs Test Train Install Direct Parallel Phased Pilot Planning Analysis Design Implementation • Implementation Phase

  11. SDLC Phases Support and maintain the system Steps Operate Maintain Monitor performance Assess security Operation, Support, Security Phase Planning Analysis Design Implementation Support

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