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The systems life cycle - Coggle Diagram
The systems life cycle
overview
system analyst
systems life cycle
Analysis
Methods of researching an existing system
requirements specification
Design
Data/file structure
output designs
input desings
data storage
processing
development and testing
abnormal data
Extreme data
test design
testing
Implementation
system implementation
direct changeover
phased implementation
pilot implementation
parallel running
Documentation
technical documentation
user documentation
Evaluation
evaluation against the requirements specification
limitations and improvements
maintenance