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SDLC (system life cycle) (FROM PAGE: 131-144 (System analysis (design…
SDLC (system life cycle)
FROM PAGE: 131-144
System analysis
Analysis stage
Basic steps:
Identify customer reqauirments
interpert customer requirements
Produce a cost-benefit analysis
Produce data flow diagram
Feasibility study include:
Terms of reference
Description of existing system
Criteria
Proposed solution
Researching an existing system includes:
observation
questionaries
interviews
Looking at existing paperwork
Data flow diagrams.
Development and testing stage
implementation stage
documentation
evaluation stage
design
Design screen layouts.
Produce system flow outs.
design a testing strategy
Design the data capture forms/input forms