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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 are the various types of system testing? 1. Recovery testing - is intended to check the system's capability to recover from failures. 2. Security testing - verifies tha
Incremental analysis happens when (partial) analysis may be performed on an incomplete product to permit early feedback on the development of that product.
1. McM Cog is a supplier of industrial parts. Most orders are received at a call center. The call center currently has 10 phone lines total, i.e., a maximum of 10 callers may b
(a) What is a view? (b) What is the implication of creating a view with the select * statement in the view definition? (c) Make reference to the relational schema given in
Define the Prototyping Model In this model, a working model of actual software is developed originally. Prototype is just like a sample software having low reliability and les
What are the various categories of software? Application software System software Engineering/Scientific software Web Applications Embedded software Artificial I
Sanity testing is performed whenever cursory testing is sufficient to show the application is functioning according to specifications. This level of testing is a subset of regressi
The important issues that a SRS must address are: (a) System goals and requirements are different (b) Request Definition (c) Request Specification (d) Software Specif
we got the code for mobile app we need a document for that
What is the use of CMM? Capability Maturity Model is used in assessing how well an organisation's processes permit to complete and manage latest software projects.
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