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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.
Q. Explain Intermediate and Detailed COCOMO model? Intermediate COCOMO calculates software development effort as function of program size and a set of cost drivers that include
It goes by many terms - information overload, analysis paralysis, data dumping, and so on. You know what we're talking about. It is indeed greater to live in the information age wi
Ask question what is abstraction ?#Minimum 100 words accepted#
Load testing is testing an application under heavy loads, like the testing of a web site under a range of loads to verify at what point the system response time will degrade or fai
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What are business process engineering tools? By modelling the strategic information requirements of an organization, business process engineering tools provide a "meta-model" f
Q. Explain Equivalent size measure software metrics? Equivalent size measure:- Models makes no distinction between a new software and the portion being reused. The equivalent
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Q Who is a Software Engineer? What is his role in software development process? Ans) A software engineer is responsible for the implementation and design of a variety of softwa
Q. Why is maintenance of a software important? Discuss some of the problems that are faced during maintenance of software. Ans: The modification of a software product subsequ
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