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(Investigation (Methods include (Questionnaires, Interviews, Observation,…
Investigation
Methods include
Questionnaires
Interviews
Observation
Following a paper trail
First step in setting up sdlc
Learn how the system works and other details
Introduction
Computerised systems for companies
A system to keep track of data or store it
Is made up of various stages
Feasibilty study
Three types
Complete change
Makes changes to some
Dont change anything
Evaluation if a system is needed
And if the cost is worth the benefits
Design
Second stage in setting up new sdlc
Start to plan and design solutions
Testing
Test plan will be conducted
To check for things to make sure they work properly
Evaluation
Evaluate the work done
Whether it is working properly as it should or not
Analysis
Done after the investigation
Find alternative solutions to the issue
Diagrams
Types
System diagram
Data flow diagram
Process diagram
Part of the investigation process
Impementation
Methods
Parallel running
Completely use the new system
Phased Implentation
The phase where the new system is being applied
Maintainence
Maintainance is needed
Issues will arise so changes will be needed
Development
The implementation of the solutions is done