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Q. Explain Predictive validity?
Predictive validity: It is the potential of the model to predict future failure behaviour from present and past failure behaviour. This capability is important only when failure behaviour is changing. There are two universal ways of viewing predictive validity based on the two equivalent approaches to characterizing failure random process namely
1. The number of failure approach as well as
2. The failure time approach.
We can visually ensure the predictive validity by plotting the relative error against the normalised test time.
What is software testing? The testing process focuses on the logical internals of the software, ensuring that all statements have been tested, and on the functional externals,
Q. Explain the limitations of testing? Ans: Though testing is an significant part of system development and leads to a verified, valid and efficient system it as well faces s
What are Quality factors? For large projects with 'average' capabilities, the development process verifies product quality. For small projects, the capabilities of the deve
CMM is a strategy for enhancing the software process irrespective of the actual life cycle model utilized. SEI (Software Engineering Institute) of Carnegie-Mellon University develo
Write a test program that read an integer n and call a method to display a pattern as follows: 1 2 1 3 2 1 4 3 2 1 ... n n-1 ... 3 2 1 The method header is
Configuration Management: Because of several reasons, software changes during its life cycle. As a result of the changes made, many versions of the software exist at one time.
What is Data Dictionary? Data dictionary is a storehouse of data giving information about data. It is a list of terms and their meaning for all data items and data files of a s
Name the techniques used in behavioural model In conventional approach of modeling, analyst collects great deal of comparatively unstructured data through data gathering tools
What are the proper testing strategy It is necessary to develop a proper testing strategy to ensure all possible scenarios are covered and that all error trapping techniques ar
What are the conditions exists after performing validation testing? After performing the validation testing there two situations arise. The function or performance characterist
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