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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.
You are preparing a bid for a refinery control system for Australian Petroleum Ltd (APL) using the CoCoMo 81 estimation model. You are familiar with industrial control system softw
#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
I have a vb.net application i would like to add database function + coding the the function to let the application work and also to add a login window for the customers + custom
Problem 1 Explain change control? Write down the steps followed for change control Problem 2 Explain the concept of Baselines with reference to software configuration m
Elucidate elementary process. Software applications are a combination of various elementary processes. Various elementary processes come together to form an application. Ele
The aim of regression testing is to test that the fixes have not formed any other problems elsewhere. The aim is to ensure the software has remained intact. A baseline set of data
Explain the process of Prototyping Prototyping is a process which enables developer to create a small model of software. IEEE 610.12 standard defines prototype as a preliminary
schema tools
What are the various testing activities? i. Test planning ii. Test execution iii. Test case design iv. Data collection v. Effective evaluation
How do you develop a test plan and schedule? Describe bottom-up and top-down approaches. A test plan is contract among the testers and the project team explaining the role of t
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