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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.
Explain about the Spiral Model This model can be considered as the model that combines the strengths of various other models. Conventional software development processes don't
A manifestation of an error in software. A fault, if encountered, might cause a failure.
What is the meaning of System Engineering? System Engineering means designing, deploying, implementing and operating systems which include hardware, software and user.
cause effect testing
how transaction mapping is done.??clear me with a brief example
Discuss spiral model for software life cycle SPIRAL MODEL The spiral model is classified into number of frame works. These frameworks are represented by task regions.
An integration testing methods that tests the high-level components first using stubs for lower-level known as components that have not yet been integrated and that stimulate the n
What is meant by software change? Software change is termed as the change in nature of software as the requirements of software changes.
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Level 3 (Defined) The organisation satisfies all the requirements of level-2. Atthis maturity level, the softwaredevelopmentprocesses arewell defined, managed and documented
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