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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.
Attributes Attribute is a characteristic or property of an entity which is of interest to the organisation. It's represented by oval shaped box with name of attribute writt
Q. Drive an expression for peak manning of a project using Nordes - Rayleigh equation . Ans Norden Rayleigh curve utilized to approximate software project . M(t) =Man powe
explain software document.create the necessary documents for employee management system.
Q. Compare the Manpower and development time? Manpower may perhaps refer to labour Manpower either an abstract term for human labour effort as opposed to machines, animals a
Throw-away prototyping Objective: The principal objective of this model is to validate or to derive the system requirements. It is developed to reduce requir
What are the Types of Requirements There are numerous categories of the requirements. On the basis of their priority, requirements are classified into below 3 types: 1.
To develop software of lasting quality you have to lay down a solid architectural foundation that is resilient to change. Modelling is at the heart of the development of good quali
consider the following flow chart, a. Draw the flow graph and show the edges, regions and nods clearly b. show the independent paths c. calculate the cyclomatic complexity in three
Write about drivers and stubs. Drivers and stub software require to be developed to test incompatible software. The " driver" is a program that accepts the test data and pri
Bottom-up integration This testing starts construction and testing with the components at the lowest levels in the program structure.
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