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Explain in detail about software Maintenance.
Different views of maintenance
Need for software maintenance
Question: (a) Describe fully the first five basic steps in software cost estimation. (b) What are the main differences between COCOMO1 and COCOMO2 cost estimation models?
Configuration Management: Because of several reasons, software changes during its life cycle. As a result of the changes made, many versions of the software exist at one time.
What are the various types of system testing? 1. Recovery testing - is planned to check the system's ability to recover from failures. 2. Security testing - determines t
1. "Variable trace" is a (computer) record of the names and the values of variables accessed and/or changed during the implementation of a computer program. 2. "Value trace" is
how to start building software
Q. Explain Predictive validity? Predictive validity: It is the potential of the model to predict future failure behaviour from present and past failure behaviour. This capabi
Objectives of Data dictionaries:- 1) A standard definition of all terms in a system, that is every item of data is uniquely identified and described. 2) Easy cross-referen
what is the advantage of Iterative Enhancement Model in developing a system?
what are the PEAS of E-mail agent
Define Data objects, attributes & relationship. Data object: Representation of any collective information that must be understood by software. It can be any external entity.
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