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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.
Why is SRS also known as the blackbox specification of system ? Ans: SRS document is a contract among the development team and the customer. Once the SRS document is accepted
Determine the advantages of spiral model In this model Software development starts with lesser requirements specification, lesser risk analysisetc. Radical dimension this model
various software design methodologies
Documentation explaining plans for, or results of, the testing of a system or component, Types contain test case specification, test incident report, test log, test procedure, test
Black Box Testing :-Black Box Testing is also known as behavioural testing, focuses on the functional requirements of the software. It allows the software engineer to derive sets o
Big-Bang Testing : In this all the modules after unit testing are joint and tested in one go. The problem with this type of testing is debugging of errors.
What does Level0 DFD represent? Level0 DFD is known as 'fundamental system model' or 'context model'. In the context model the entire software system is shown by a single bubb
What are the advantages of using testing tools? The advantages of testing tools are: They get better the productivity and quality of software development. Help in i
What is software architecture The software architecture of a program or computing system is the structure or structures of the system, which comprises software components, the
Difference between Pilot and Beta Testing. Pilot testing includes having a group of end users try the system prior to its full deployment in order to give feedback on its perfo
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