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Explain about the E-R Diagram
Entity-relationship (E-R) diagram is detailed logical representation of data for an organisation. It is data oriented model of a system while DFD is a process oriented model. ER diagram represent data at rest whereas DFD tracks the motion of data.
ERD doesn't provide any information regarding functionality of data. It has 3 main components - data entities, their relationships and their associated attributes.
Explain Control Structure Testing Ans) Due to basis path testing alone is insufficient, other methods should be utilized. Condition testing can be utilized to design test cas
What is meant by Information flow Continuity? When we refine a fundamental model for a system, the information flow continuity must be maintained .ie, input & output to every r
Q. Show the cost drivers used in COCOMO model? A variety of attributes of cost drivers used in COCOMO model are: 1. Physical attributes : These are worried with required
effects of nativity in requirements specification
Q. Differentiate between iterative Enhancement Model and Evolutionary Development model. Ans. Iterative Enhancement Model: This model has the similar phases as the waterfall
What is performance testing? Performance testing is intended to test the run-time performance of software within the context of an integrated system.
Cohesion for Each Module? Compute average daily temperatures at various sites Initialize sums and open files Create new temperature record Store temperature record Close files and
Define Brooks law. Software was delivered late, was not reliable, cost various times the original estimates and often exhibited poor performance characteristics.
Write short notes on estimation models. Empirical estimation models can be used to complement decomposition methods and propose a potentially valuable approach in their own rig
Testing method to satisfy coverage criteria which need that for each decision point, every possible branch [outcome] be implemented at least once. Contrast with testing, path; test
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