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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.
Testing conducted to evaluate whether systems or components pass data and control correctly to one another. Contrast with testing, unit; testing, system. Normal 0
Explain Quick-fix Model Quick-fix Model : This is the easiest model used for the maintenance of the software. In this model changes at the code level are made as early as poss
What are the conditions exists after performing validation testing? After performing the validation testing there exists two conditions. The function or performance charact
What is the advantage of using prototype software development model instead of waterfall model?
Subroutines Frequently, the similar piece of code must write over again in many dissimilar parts of a program. Instead of repeating the code every time it is required, there
Aims: The aims of this report are to enable you to explore the background, motivations, history, development and/or applications of one of the stochastic models. You may choose
Determine the different steps of Structured Requirements Definition Step 1: Make a user level data flow diagram. This step is meant for gathering requirements with intera
Define the computer based system. The computer based system can be explained as "a set or an arrangement of elements that are organized to accomplish some predefined goal by pr
Define Data objects, attributes & relationship. Data object: Representation of any collective information that must be understood by software. It can be any external entity.
#This is part of my prog. in matlab and a graph has to be drawn for this equation. >> es0=6.11; T0=273.15; Lv=(2.5)*10^6; Rv=461.5; Td=80:.2:500; e=es0*exp((Lv/Rv).*((1./T0)-(1./T
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