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Management Information Systems (MIS) · Module 5 of 10

Systems development life cycle

How information systems are planned, built and maintained.

📖 Key ideas

  1. The SDLC stages: planning, analysis, design, development, testing, implementation and maintenance.
  2. Analysis gathers requirements from users; design decides how the system will work.
  3. Agile builds and delivers in small increments with frequent feedback.
  4. Implementation can be direct, parallel, pilot or phased.
  5. Most of a system's cost over its life is in maintenance and changes.
💡 Real-life example: Like building a house: plan the budget, ask the family what they need, draw the plan, build, inspect, move in, and repair over the years.
RequirementsWhat users need the system to do
Parallel conversionRun old and new systems together for a while
Pilot conversionStart the new system in one location first
MaintenanceFixing and improving after go-live