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SYSTEM LIFE CYCLE - Coggle Diagram
SYSTEM LIFE CYCLE
Analysis
collect data from the current system
identify the problem with the current system and agree with clients
identify and interpret customers requirements
produce a cost benefit analysis
identify a suitable hardware and software
research methods- observation, questionnaire, interviews, existing papers
design
design the data capture forms
design the screen layout and then the output in the form of screen display
produce system flowcharts
design validation rules and agree on file structure
produce a program flowchart
design a testing plan or strategy
verification
visual check
double entery
validation
range check
look up check
length check
type check
development and testing
normal
abnormal
extreme
types of data
implementation
direct
parallel
pilot
phased
documentation
user documentation
technial documentation
evaluation
compare the final solution with the original task
identify any limitations in the system and then improvise
come the test results from the new system with the results from the old system
compare set tasks and performance of old system with the new system
to gain feedback of a new system using questionnaires