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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.
Problem 1: Describe briefly on the seven stages in a product life cycle. Problem 2: What do you meant by SSAD? Explain in detail. Problem 3: What is a predictiv
Data validity is the reasonableness and correctness of data.
What is meant by software change? Once software is ready to use, new requirement appear and existing requirements change as the business running that software changes parts of
Q. Compare the basic COCOMO model with the detailed COCOMO model. Ans. COCOMO contains of a hierarchy of three increasingly detailed and accurate forms. Basic COCOMO i
Discuss in details the design steps in transaction mapping. Re-Check the fundamental model. Re-check and refine the DFD for the software. Determine the DFD has either
What is meant by Software Engineering? The application of a disciplined, systematic, quantifiable approach to the development, maintenance & operation of software. (i.e.)The En
System flowcharts System flowcharts are used to demonstrate how all the components in a system link together (for example input, storage, output, processing etc.). They are ver
Explain Process? The work effort that makes a product. This contains efforts of people and equipment guided by policies, standards, and procedures.
How can we know about to divide numbers from total error from which half passed through error and half passed to amplified and how to generate defect efficiency?
Give a complete example that how to tackle with it.
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