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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.
What does Level0 DFD means? Level0 DFD is called as 'fundamental system model' or 'context model'. In the context model the total software system is represented by a single bub
What is Requirement Traceability? Explain its importance. Requirement Traceability is mapping of needs to test cases. There are two major traceability: Forward and Backward. It
List the guidelines for data design. i. Apply systematic analysis on data. ii. Determine data structures and related operations. iii. Establish data dictionary. iv. Us
what is design assignment
Q. How is cyclomatic complexity useful in program test and What is sequence of testing and What is testability? Ans. Cyclomatic complexity measures the amount of decision lo
Q. Show the Reasons of current software crisis? larger problem sizes, increasing skill shortage, and lack of adequate training in software engineering,
How LRU technique is implemented The LRU policy is more difficult to execute but has been more attractive on the assumption that the least recently used page is a better candid
Define cohesion & coupling? Give suitable examples. Coupling : Coupling refers to the strength of the relationship among modules in a system. Coupling shows how strongly dif
In virtual storage systems, virtual addresses are allocated to auxiliary storage locations. The use of virtual addresses permit those locations to be accessed as by they were part
what is iterative and evolutionary developments? how iteration help in refining requirements
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