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Systems Life Cycle (Design (Validation (Range Check, Look-up check, Length…
Systems Life Cycle
Design
Data Capture Forms
Screen Displays and Printed Reports
System Flowcharts
Verification
Visual Check
Double Entry
Validation
Range Check
Look-up check
Length Check
Character/type check
Format/picture check
Presence check
Consistency check
Check digit
File Structures
Design and testing strategy/plan
Analysis
Feasibility Study
Description of existing system
Criteria
Terms of Reference
Proposed solution
Methods of Research
Questionnaires
Interviews
Observation
Looking at existing paperwork
Data Flow Diagram (DFD)
Documentation
User documentation
Technical documentation
Evaluation
Update of software
Update of hardware
Development and Testing
Development
Testing strategies
Module testing
Live
Extreme
Abnormal
Normal
Implementation
Methods of Changeover
Phased
Direct
Pilot
Parallel