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Write about software change methods.
The software change strategies that could be applied individually or together are: Software maintenance - The changes are made in the software due to requirements. Architectural transformation - It is the procedure of changing one architecture into another form. Software re-engineering - New quality can be added to existing system and then the system is refined for better use of it in future.
Q. Applicability with reference to software reliability models? Applicability : It is another important characteristic of a model. The model must be judged by its degree of a
What are the various types of coupling? i. Data coupling - The data coupling is possible by parameter passing or data interaction. ii. Control coupling - The modules share r
What is Test log? A chronological record of all relevant details about the implementation of a test.
What is Change management? Software systems are subject to continual change requests; From users; From developers; From market forces. Change management is
What is Vertical partitioning 1. The Control & work should be Modular Hierarchy for each distributed top-down in the program major program function structure 2. Higher prob
What is live variable A variable is live from its first to its last reference within a process.
When must you stop testing? It is very difficult to determine as many modern software applications are complex and run in such an interdependent environment that complete testi
What are the assumptions of the execution-time component model? The execution-time component is based on the several assumptions: (1) Tests show the environment in which the
The inability of a system or system component to perform a needed function within specified limits.
What are the advantages and disadvantages of big-bang? Advantages: This approach is easy. Disadvantages: It is hard to debug. It is not simple to isolate errors while testin
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