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Q. Discuss some of the problems that are faced during maintenance of software?
- Habitually another person or group of persons working over the years in isolation from each other writes the program.
- Habitually the program is changed by person who did not understand it clearly resulting in a deterioration of the program's original organization.
- There is a high staff turnover in the information technology industry. Because of these people who aren't the original authors maintain many systems. These persons mayn't have adequate knowledge about the system.
- Some problems merely become clearer when a system is in use. Several users know what they want but lack the ability to express it in a form understandable to programmers. This is mainly because of information gap.
create a class rectangle
What does Modularity concept mean? Software architecture embodies modularity; i.e. Software is named in to addressable components called modules, which are integrated finally.
Compare and contrast two operating systems
What is bottom-up approach? System developed beginning from detailed modules. Testing begins from the detailed modules and proceeds up to the higher levels of hierarchy.
Class A class is a template that states the properties of objects. Classes have an interface which having of the operation, a body which executes the operations and instance va
Errors from previous stage Errors passed through Amplified errors Newly generated errors Errors passed to next stage Testing phase of project-A 35 35 0 5 20 Testing phase of Projec
Explain the term- Phased In this approach only part of the new system is introduced and only when it proves to work satisfactorily is the next part introduced and so on, unti
What is Data Flow Analysis? Ans) Having of the graphical analysis of collections of (sequential) data definitions and reference patterns to verify constraints that can be placed
Q. What problems arise if two modules have high coupling? Ans: Coupling signifies the interconnection of different modules with each other or we can say it tells about the in
detail the proactive strategies of risk management
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