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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 bubble with input and output indicated by incoming and outgoing arrows.
Clear box testing and Ad-hoc Testing Clear box testing is white box testing which is a structural testing method. It needs understanding of the internal logic and flows of the
How software metrics is beneficial for sfotware engineer Using software metrics, software engineer measures software processes and requirements for that process. Software measu
explaination
Question 1: In his book Tales of a New America, Robert Reich describes the importance of teamwork in an increasingly technological age: Rarely do even Big Ideas emerge any l
What is architectural transformation? This is a more radical approach to software change then maintenance as it involves making significant changes to the architecture of the s
identification need
Discuss some of the problems that are faced during maintenance of software. The problems are: - Often another person or group of persons working over the years in isolat
Application Design: Micro CDS/ISIS is a text oriented software package. It is a good , ho ice if one wishes to store textual data, retrieve the data by certain criteria, and d
What is performance testing? Performance testing is intended to test the run-time performance of software within the context of an integrated system.
What are the advantages and disadvantages of big-bang? Advantages: This approach is simple. Disadvantages: It is hard to debug. It is difficult to isolate errors while testi
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