Question: 1- What is code decay? Discuss the symptoms of code decay. What are the causes of code decay? 2- Why should you fix something that


1- What is code decay? Discuss the symptoms of code decay. What are the causes of code decay? 2- Why should you fix something that is not broken? What are some reasons for performing perfective maintenance? 3- Answer the following: a. What are the seven phases making up the activity model of maintenance in the IEEE/EIA 219 standard? b. The IEEE/EIA 219 standard defines five associated attributes for each of the main activities in part a. What are these attributes? 4- What are the advantages of using the quick fix model, and why it is still used? 5- What are the drawbacks of the iterative enhancement model
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