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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.
Problem: (a) Briefly describe the "water-fall" model of the system development life cycle. (b) How would intranets be useful in a Public Sector Environment? (c) How can p
What is Flowchart? Ans) A diagram showing the sequential steps of a process or of a workflow around a service or product. Formal Review: A technical review conducted with the en
Give the procedure of the Delphi method. 1. The co-ordinator shows a specification and estimation form to each expert. 2. Co-ordinator calls a group meeting in which the exp
Testing conducted to evaluate whether systems or components pass data and control correctly to one another. Contrast with testing, unit; testing, system. Normal 0
What are the testing principles the software engineer must apply while performing the software testing? i. All tests should be traceable according to customer requirements.
When do you choose automated testing over manual testing? Automation is chosen when -A similar set of tests need to be repeated again and again -When a single test requi
The act of attempting to verify the cause of the symptoms of malfunctions noticed by testing or by frenzied user complaints.
Advantages of Re-Engineering:- 1) Reduced risk - there is a huge risk in new software development. There might be development problems, staffing problems and specification pro
Q. Explain the reuse maintenance model with the help of a diagram. Ans: Recycle maintenance model this model is based on the principal that maintenance could be viewed as an
State about the Elementary Modeling Techniques A model illustrating bare minimum requirements is known as Essential Model. It has two components: a) Environmental model B)
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