Explain the stages of Structured Systems Analysis and Design Methods for the vehicles manufacturer and what each wouldinvolve
A vehiclesmanufacturer is planning to include a “traffic light” feature into their luxurycar. This will let users to know exactly when the traffic lights are going tochange. This is anticipated to be beneficial in cities. They are planning to useStructured Systems Analysis and Design Methods to manage the SystemsLife Cycle for this new feature/technology. There are stages/modules from 0 to 6.
- Explain the stages of Structured Systems Analysis and Design Methods for the vehicles manufacturer and what each wouldinvolve.
Feasibility study-In order to understand if the given project is feasible, there should be some kind of investigations done on the goals and implementation of the project. If we are developing some small scale projects feasibility study is not required because the scope of the project is easily understood. In large projects the feasibility may be performed but in this case it is done in an informal manner, because in this we will not have much time for the formal study because every thing has to be done in one way or the other. When this is carried out they mainly consist of four main areas and according to our project the feasibility is as given below
Technical-The traffic light project is technically possible as the traffic light control system are widely used to monitor and it is also used to control the flow of the vehicles in the traffic road.
Financial-In this we may use IoT for better performance which may make use of sensors which is a bit expensive.
Organizational-This project can be compatible with the existing practices because we aim to realize smooth motion of the car in the transformation roots.
Ethical-The transportation is going to be revolutionized in the coming future. By using this we can reduce the number of accidents. So, there are lot many chances where it is socially accepted.
Investigation of the current environment : In this the developers will understand that in most of the cases there is some form of the current system and even if it is totally composed of people and paper. By the combination of interviewing employees, observations and by the existing documentation, by this the analyst will get to know the system as it is the start of the project. In this the aim is to fix the sensor in a luxury car as it will notify us about the traffic controls.
Business system options: In this stage the analyst will come to know about the overview of the project so that he will be able to decide the overall design of the new system. For doing this the analyst must have the outputs of the previous stages and the analyst need to develop a set of business system objects through which a new system can be provided by doing nothing or by not using the old system entirely, as by creating an entirely new system. In this process we will collect the ideas which are presented to the user
- degree of automation
- it provides the boundary between the system and the user
- distribution of the system
- cost
- impact of the new system
In this the user and the analyst together choose a single business option, they may be similar or may be entirely different from the present existing system.
This is the stage which is probably the most complex and difficult stage in SSADM. By using the requirements that are developed in stage1 the analyst must develop full logical specification about what the new system must do and it must be free from error inconsistency, ambiguity. The logical implementation mean that how the system will be implemented rather than describing what the system will do. An analyst will produce both the data flow diagrams and logical data model, which consist of the logical data structure and full descriptions of the data with its relationships. In this the analyst must provide the function definition of every function of which the user will require. Stage 3 is complete requirements specification document which is made up of the following
- updated data catalogue
- updated requirements catalogue
- processing specification which in turn is made up of.
- user role
- function definition
- logical data model
- entity life-histories
- effect correspondent diagrams
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