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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 quality software. The Unified Modelling Language has become a standard software modelling language standardised by the Object Management Group (OMG).
To enable effective modelling to develop software systems, UML employs the concepts of the object-oriented paradigm.
With reference to the above answer the following questions.
(a) What is a model?
(b) Why do we model?
(c) Explain in detail, four principles of modelling?
What are the various elements of data design? i. Data object - The data objects are identified and relationship between various data objects can be shown using ERD or data dict
Explain in detail about Black box testing. Black box or behavioural testing focuses on the functional needs of the software. It is applied during the last stage of testing.
Q. When we need Re-Engineer? When the system changes are mainly confined to part of the system then re-engineer that part. When hardware or else software support become
Boundary Value Analysis: It's widely examined that input values at the extreme ends of input domain cause more errors in system. More application errors happen at the boundaries
solve inequalities and graph the solutions: [z/25-1]
What are the benefits of smoke testing? Integration risk is decreased. The quality of the end-product is getting better. Error diagnosis and correction are simplified. Assessme
Explain a variable? "Variables" are data items in a program whose values can change.
What are the three activities of risk assessment? Ans: The three activities are analyzing, identifying and giving priorities. Risks are able to be identified by a check list
Q. Define the Structural Testing? For a moment it called white-box testing. At this point derivations of test cases are according to the program structure. Knowledge of the pro
Explain Testability? Ans) (1) The degree to which a scheme or component facilitates the establishment of test criteria and the performance of tests to verify whether those crite
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