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System Life Cycle (Design (Validation (Range check, Look-up check, Length…
System Life Cycle
Design
Data Capture Forms
Paper-based
Computer-based
Screen displays and printed reports
System Flowcharts
Verification
Double entry
Visual check
Validation
Range check
Look-up check
Length check
Character / type check
Format / picture check
Presence check
Consistency check
Check digit
File Structures
Field length
Field name
Data type
Design and Testing Strategy / Plan
Implementation
Phased
Direct
Parallel
Pilot
Analysis
Feasibility Study
Terms of reference
Description of existing system
Criteria
Proposed solution
Methods of research
Observation
Questionnaires
Interviews
Looking at existing paperwork
Documentation
User documentation
Technical documentation
Evaluation
Update of software
Update of hardware
Development and Testing
Testing strategies
Abnormal
Extreme
Normal
Development