Introduction to System Analysis to Build a New System
There are some objectives to perform the system analysis to build a new system.
1. Identification of the Customer needs
2. Feasibility Study
3. Economic and Technical Analysis
4. Allocation
Identification of the Customer Needs:
As we have already seen that the system analyst has already analysed the existing system. And evaluated the need to build the new system. Now the goals and objectives are decided for the new system. Because the previous system was not suitable due to some reasons or we can say that there is some need to do some modifications and add new technological features. According to the new requirements. The system analyst will concern with the user of customer of the system by conducting a meeting to identify the goals and objectives.
After indentifying the entire goal, the analyst will evaluate:
1. Desired functions and performance issues.
2. Reliability and quality aspects.
3. Overall system goals.
4. Cost /schedule constraints.
5. Market place and competition.
6. Available technology.
7. Available resources, software, hardware, human factor etc
8. Further modifications
Then a document called system concept document is made to store all the gathered information during this step.
Technical Analysis
In this type of analysis the analyst will evaluate the technical benefits of the system concept, and collect information about performance, reliability, maintainability and producibility. It begins with an assessment of the technical viability of the proposed system. The system model is prepared for the technical analysis of computer based system.
The base of the model is the observation and evaluation of the real world based on the system goals. The analysis will evaluate this model first then compare it with the real world on expected system behaviour as shown in figure below.
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