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Q. Why is maintenance of a software important? Discuss some of the problems that are faced during maintenance of software.
Ans: The modification of a software product subsequent to delivery to correct faults to improve performance or other attributes or to adapt the product to a changed environment.
Maintenance is a vital part of the software life-cycle. It is expensive in manpower as well as resources and one of the aims of software engineering is to reduce its cost.
The most vital problem during maintenance is the before correcting or modifying a program and the programmer must first understand it.
What are the virtues of incremental model? i. The incremental model can be adopted when there are less number of persons associated with the project. ii. Technical risks can
Handling customer complaints There are always some customers who complain after completing the sales. Like customer objections, don't take complaints negatively. Other than
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State the Testing and Debugging Testing is process of verifying if the application matches needs and reporting bugs; Testing is usually done by an independent testing team wher
Evolutionary prototyping Objective: The principal objective of this model is to deliver the working system to the end-user. Example-AI systems. Advantages
What is Relationship Entities are associated to each other by relationships. It denotes how two entities are associated. A diamond notation with name of relationship signifi
Determine the technique - Parallel With this approach, old and new systems are run together for a time - If new system goes down for any reason, you still have old system
The test schedule is a schedule that signifies all tasks needed for a successful testing effort, a schedule of all test activities and resource needs.
What is the value of a testing group? How do you justify your work and budget? Testing is a method used for revealing defects in s/w and for establishing that the s/w has attai
Q. Discuss any two software characteristics. Ans. Software is not manufactured : The life of software is start from concept exploration to the retirement of the software prod
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