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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.
What is the work product of software design process and who does this? A design model that encompasses architectural, component level, interface and their representations is t
Requirements Analysis of SDLC Requirements describe "What" of a system. Objectives which are to be achieved in Software process development are requirements. In requirements a
Explain the prototyping approaches in software process. Two approaches i. Evolutionary prototyping - In this approach of system development, the initial prototype is prepare
Explain Iterative Enhancement model Iterative Enhancement model: This model incorporates alters in the software based on the analysis of the existing system. Also the complet
State Entity /Relationship diagram. ERD depicts relationships among data objects. The ERD is the notation that is used to conduct the data modeling activity. The primary
Determine the various levels of testing The following are various levels of testing: Large systems are built out of subsystems which are made up of modules, modules of funct
ER Diagram for safe Home Systems
what are the main characteristics of software lease
What is cardinality in data modelling? Cardinality in data modeling, cardinality verifies how the number of occurrences of one object is related to the number of occurrences of
Differentiate between testing and QA. - Quality Assurance is more a preventive thing, which ensures quality in company and hence the product instead of just testing the product
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