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Distinguish between verification and validation.
Verification refers to the set of activities that make sure that software correctly executes a specific function. Validation refers to a dissimilar set of activities that ensure that the software that has been built is traceable to the customer requirements. According to Boehm, Verification:" Are we building the product right?" Validation:" Are we building the right product?"
An application which is under development. How would you develop a test case for it? When application is under development, Business Requirement Document is used as primary doc
Q. When we need Re-Engineer? When the system changes are mainly confined to part of the system then re-engineer that part. When hardware or else software support become
What is Product metrics? A quality metric should be a predictor of product quality. Classes of product metric Dynamic metrics which are collected by measurements made
Q. What is the use of a data flow diagram? Explain the important concepts of data flow diagram. Ans. A data flow diagram is utilized to show the functional view of an applica
What is meant by software change? Software change is termed as the change in nature of software as the requirements of software changes.
Software metric Any type of measurement which relates to a software system, process or related documentation Lines of code in a program, the Fog index, number of person-days
What are decision tables? Why do we use them? - Decision tables are specification-based techniques that are more focused on business rules or business logic. - A decision ta
The process of testing an integrated hardware and software system to determine that the system meets its described requirements. Such testing might be conducted in both the develop
What is cyclomatic complexity? Cyclomatic complexity is software metric that provides the quantitative measure of logical difficulty of the program. The Cyclomatic complexit
Draw the Context level DFD for the Safe home Software. User commands Alarm type Telephone Number tone Sensor status Display Information
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