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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.
Testing to satisfy the criterion that every statement in a program be implemented at least once during program testing.
Give the procedure of the Delphi method. 1. The co-ordinator presents a specification and estimation form to all experts. 2. Co-ordinator calls a group meeting where the exp
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Explain a variable? "Variables" are data items in a program whose values can change.
List flaws in waterfall model. - The biggest drawback is that you don't test the application logic until very late in development cycle. - Though a detailed system specifica
What are functional and non-functional requirements?
Explain about the software testing strategies. A method approach to software testing. Verification and Validation. Verification refers to the set of activities tha
A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
Define Cardinality & Modality. Cardinality: Specification of the number of occurrences of one that can be correlated to number of occurrences of another. Modality: The Moda
Discuss the limitations of software testing. How do we say that complete testing is impossible?.
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