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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.
Documentation specifying the scope, approach, resources, and schedule of intended testing activities. It signifies test items, the features to be tested, the testing tasks, respons
Equivalence Partitioning: -Equivalence partitioning is black box testing method that separates the input domain of a program into classes of data from which test cases can be deriv
structured analysis
ER Diagram for Safe Home Systems
What is meant by software prototyping? Software prototyping is a process of creating a model for the software product. This is developed based on the currently known requiremen
Q. A software project is planned to cost 95PY in a period of 1 year and 9 months. Calculate the peak manning and average rate of software them build up. Ans. Software project
Software measurement Software measurement is anxious with deriving a numeric value for an attribute of a software product or process. This permits for objective comparisons
Q. What is Test file generators and test harness systems? Test file generators: This creates a file of information that is utilized as the program and does so based on commen
Define Data objects, attributes & relationship. Data object: Illustration of any composite information that must be understood by a software. It can be any external entity. Att
what is halstead software science measures
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