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Chapter 7: SYSTEM LIFE CYCLE (6.Evaluation (compare final solution to…
Chapter 7: SYSTEM LIFE CYCLE
4.Implementation
Direct
Parallel
Phased
PIlot
Phased
6.Evaluation
compare final solution to original task
identify any limitations
identify any necessary improvements
evaluate the user's responses
compare test results from new to old
observe users performing set tasts
measure the time taken to complete tasks
interview users to gather responses
give out questionnaires
1.Analysis
Identify & agree requirements
Interpret requirements
Agree objectives with clients
Produce cost-benefits analysis
Identify problems
Identify suitable hardware
Describe current system
Produce data flow diagram
Research
3.Development and testing
Development
Testing
Abnormal
Extreme
Normal
Live
5.Documentation
User documentation
Technical documentation
2.Design
Screen layouts, displays and printed reports
Data capture/ input forms
System flowcharts
Validation rules
File structures
Algorithms/ program flowcharts
Testing strategy/ plan