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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 1 Discuss the impact of "information era" Question 2 Explain whether the linear sequential model of the software process is an accurate reflection of software developme
explain why older data models are being replaced by new data models.
Mentoring a class at a university. is project or process??
Question: (a) Explain what is the resource discovery problem? (b) Distinguish between centralized (hybrid) and decentralized (pure) peer to peer network? (c) Give an e
List the task regions in the Spiral model. Customer communication - In this region it is suggested to make customer communication. Planning - All planning activities are car
Waterfall is a model of the software development process in which the idea phase, requirements phase, design phase, execution phase, test phase, installation phase, and checkout ph
What is statement coverage? Statement coverage is the testing to test each statement in the code has been executed at least once.
What are the assumptions of the execution-time component model? The execution-time component is based on the several assumptions: (1) Tests show the environment in which the
Evolutionary prototyping: Evolutionary Prototyping (also called as breadboard prototyping) is quite dissimilar from Throwaway Prototyping. The main goal when using Evolutionary Pr
What is Requirement Traceability? Explain its importance. Requirement Traceability is mapping of needs to test cases. There are two major traceability: Forward and Backward. It
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