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Cardinality & Optionally
Cardinality represents the relationship between two entities. Consider one to many relationship between two entities -student andclass. Here cardinality of a relationship is the number of instances of entity student which can be associated with each instance of entity class. This is demonstrated in Figure.
Q. Explain the development phases of the detailed COCOMO model. Ans A software development is performed in four successive phases which are as follows 1 : plan/requirement
Define software process. Software process is explained as the structured set of activities that are needed to develop the software system.
You are to create a decision table to help you decide what to do for the day. If it is a weekday and it is not a holiday, then you go to work. However, if it is a weekday and it
Q. How is cyclomatic complexity useful in program test and What is sequence of testing and What is testability? Ans. Cyclomatic complexity measures the amount of decision lo
Q. Explain throw-away prototyping and evolutionary prototyping. Discuss the differences between the two. Ans Throw-Away Prototyping as well called close ended prototyping .
"Utility" is a software tool designed to perform some regularly used support function. For example, single utility is a program to print files.
What is a Real time system? Real time system is a software system in which the correct functionalities of the system are dependent upon results formed by the system and the tim
What is live variable A variable is live from its first to its last reference within a process.
Distinguish between verification and validation. Verification is the set of activities that ensure that software properly implements a specific function. Validation is a differ
Explain in detail about Functional Modelling. This model explains the computations that take place within a system. This model is useful when the transformation from t
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