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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.
Question: (a) Explain, using an example, Norman's Seven Stages of Action. (b) You are working for a software development firm. You have been requested by your team leade
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Explain the Evolutionary Model. Ideal for software products that have their feature sets redefined during development because of user feedback and other factors. The Evolutiona
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Q. Write short notes on Configuration Management? Software configuration management is a bunch of tracking and control activities that begin when a software project begins an
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