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Q. Write short notes on Quick-fix Model?
Quick-fix Model: This is the simplest model utilized for the maintenance of the software. In this model modification at the code level are made as early as possible without anticipating future maintenance problems. This model isn't suitable for large and complex software systems. It must be used if the size of the software is small and is developed and maintained by one person. As well if the customers want fixing of bugs to be done immediately one can use this model. In that bugs are able to be fixed temporarily and parallel proper correction can be done.
explain why older data models are being replaced by new data models.
Disadvantage of Software package: There are some disadvantages which need to be looked into. They are: i) A commercial software package will have a number of built-in
What are the profits of vertical partitioning? i. These are very easy to maintain changes. ii. They decreased the change impact and error propagation.
iii. Layered software architectures can be used to reduce coupling between the functions of a system that are closer to the machine and those that are closer to user needs. Why is
Explain the design steps in transaction mapping. Review the fundamental model. Review and refine the DFD for the software. Verify whether the DFD has the transfo
Verification or validation performed which implements the system's code.
Different type of testing tools. (a) Test Case Generators: (b) Capture/ Playback and Test harness tools: (c) Coverage Analysis Tools: (d) Test Comparators e) Memor
Cohesion for Each Module? Compute average daily temperatures at various sites Initialize sums and open files Create new temperature record Store temperature record Close files and
Q. What is Equivalence class testing? Equivalence class testing is based on the partitioning the input domain of a program into a number of equivalence classes so that the test
Explain about Virtual memory Virtual memory is a method used in some large computer that permit the user to construct programs as by a large memory space were available, equal
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