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Software life cycle starts when a software product is first conceived and ends when it is no longer in use. It contains aspects such as initial concept, requirements analysis, inte
Build and Fix Model It's a simple two phase model. In one phase, code is developed and in another, code is fixed. Figuredepicts the Build and Fix model.
What is a boundary value analysis? A boundary value analysis is a testing procedure by which the elements at the edge of the domain are selected and tested. It is a test case d
Why software change occurs? Software change occurs because of the following reasons. New requirements appear when the software is used. The business atmosphere changes. E
Compare and contrast two operating systems
What does Level0 DFD means? Level0 DFD is called as 'fundamental system model' or 'context model'. In the context model the total software system is represented by a single bub
What we called the problem arising in development of software Problems arising in the development of software is called as crisis. It includes problems arising in the process o
What is software maintenance? Software maintenance is a set actions in which program are customized after it has been put into use. COCOMO model :- COnstructive COst MOd
Abstraction :- Abstraction allows one to concentrate on a problem at some level of generalization without regard to irrelevant low level details; use of abstraction also allows one
Features of Cds - isis software: Main Features The main features of CDS/ISIS software may briefly be summarised as follows: the handling of variable length records, fi
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