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To develop software of lasting quality you have to lay down a solid architectural foundation that is resilient to change. Modelling is at the heart of the development of good quality software. The Unified Modelling Language has become a standard software modelling language standardised by the Object Management Group (OMG).
To enable effective modelling to develop software systems, UML employs the concepts of the object-oriented paradigm.
With reference to the above answer the following questions.
(a) What is a model?
(b) Why do we model?
(c) Explain in detail, four principles of modelling?
Communicational cohesion : Communicational cohesion is when parts of a module are grouped because they operate on the similar data (e.g. a module which operates on the similar reco
I am working on DD development project and I am using 475 field communicator for testing DD. While development of DD, I tested DD with SDC 625 PC application using HART modem. I h
Disadvantage of Software package: There are some disadvantages which need to be looked into. They are: i) A commercial software package will have a number of built-in
What transform mapping refers? The transform mapping is a bundle of design steps applied on the DFD in order to map the transformed flow characteristics into specific architect
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
List out the activities of Linear Sequential Model. Software requirement analysis determines the nature of the problem, function, information domain etc. Design - Translates
What are the types of software maintenance? Corrective maintenance - Means the maintenance for correcting the software faults. Adaptive maintenance - Means maintenance for a
Usability testing is testing of 'user-friendliness'. User interviews, surveys, video recording of user sessions and other methods can be used. Programmers and developers are usuall
Q. Explain about Integration testing? Integration testing: The primary objective of integration testing is to test the module interfaces, i.e. there are no errors in the para
What does data dictionary contains? Name: The primary name of the data. Alias: other names used Where-used/How-used: A record of processes that use the data or control it
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