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Data Flow Diagrams (DFD)
It's a graphical representation of flow of data through a system. It pictures a system like a network of functional processes. The foundation of DFD is a data flow graph that pictorially represents transformation on data as demonstrated in Figure.
Adefine estimation model
Define the method of Direct changeover With this technique, old system is stopped and new system is used Straight away; - This method can be disastrous if new system fails
What is SCI? Software Configuration Item is information that is carried as part of the software engineering process.
What is Delphi model? In Delphi method, a number of parameters to be considered based on as experts estimates. The group estimate is taken as on an average of the weighted
Define black box testing strategy. Black box testing describes the functional requirements of the software. Test cases are determined on the basis of the requirements or specif
Testing a new or an changed data processing system with the similar source data that is used in another system. The other system is taken as the standard of comparison.
What are the advantages and disadvantages of big-bang? Advantages: This approach is easy. Disadvantages: It is hard to debug. It is not simple to isolate errors while testin
Q. Describe the Importance of function point? - This is independent of the languages tools or else methodology used for implementation. - They are able to be estimated from
State Procedural abstraction ?
Develop a domain model for the Case Study. Express your model with a class diagram, showing any inheritance and compositional relationships. For each of the two selected most es
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