SESSION 3 - Info systems for business and beyond Flashcards
What does SDLC stand for?
System Development Life Cycle
What are challenges for SDLC?
-Communication between user and service provider
-Lack of management support
-Budget
What are success factors for SDLC?
-Low customer Involvement
-Strong Documentation
-Sequential Structure
Whats the order of the waterfall principle?
- Preliminary needs analysis
- System Analysis
- System Design
- Programming
- Testing
- Implementation
- Maintenance
What are other development methods?
-RAD (requirement planning -> user design ->construction->cutover)
-Agile, Lean, End User
How is feasibility defined?
Economic, Technical, Operational
What are the 3 sides of the quality triangle?
time, cost, scope
Whats the difference between building a mobile app and a computer app?
-components smaller and more energy efficient
-sensors within app that track GPS, camera etc.
-narrower in scope
Build vs Buy
What are pros for buy?
less expensive, available quickly, already tested
Build vs Buy
What are cons against buy?
can be used by competition, less customizable
What are implementation methods?
- Direct Cutover
- Parallel
- Pilot
- Phased