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Systems Life Cycle (Design (Validation (Range check, Look-up check, Length…
Systems Life Cycle
Design
Data capture forms
Paper based
Electronic based
Screen displays and printed reports
Systems flowcharts
Verification
Double entry
Visual check
Validation
Range check
Look-up check
Length check
Character'type check
Format/picture check
Presence check
Check digit
consistency check
File structures
Field length
Data type
Field name
Design and testing strategy/plan
Implementation
Direct
Parallel
Pilot
Phased
Analysis
Feasibility study
Criteria
Terms of reference
Proposed solution
Description of existing systems
Methods of research
Observation
Interviews
Questionnaries
Looking at existing paperworks
DFD
Development and testing
Development
Testing strategies
Module testing
Normal
Abnormal
Extreme
Live
Documentation
User documentation
Technical documentation
Evaluation