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by Dinesh Thakur

SQA is a concept that spans across the entire software development process. It focuses on improving the process of development of software so that problems can be prevented before they become a major issue. SQA also involves continuous monitoring of the process and making sure those agreed-upon standards and procedures are followed all along in the development process. It is the process of providing adequate assurance (to clients, senior management and other stakeholders) on (quality of) the process followed in the development of software (so that all concerned are satisfied about the fact that the plans laid out for development have been adhered to and that the software as developed conforms to specifications).

 
by Dinesh Thakur

In order to collect information so as to study existing system and to determine information requirement, there are different strategies, which could be used for a purpose. These strategies are discussed below.



 
by Dinesh Thakur

In decision-making under risk, the probabilities of various states of nature are assumed to be known. Probabilities of the various states of nature are not known to the decision–maker and thus, he cannot apply the maximization/minimization of expected value criteria as in the case of decision under risk.

 
by Dinesh Thakur

The decision theory (decision analysis) refers to the techniques for analysis decisions under risk and uncertainty. In the process of decision-making the decision –maker wants to achieve something, which may be called his goal, purpose or objective. The decision –maker may choose one particular alternative, which is called strategy of the decision maker,from among various alternatives.