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Define the method of Direct changeover
With this technique, old system is stopped and new system is used Straight away;
- This method can be disastrous if new system fails at any point
- Though, benefits are immediate and less time is wasted
- Costs are reduced (just one system in use so save on staff costs)
- Less likelihood of a malfunction as the new system would have been fully tested
What is meant by software change? Once software is ready to use, new requirement appear and existing requirements change as the business running that software changes parts of
what are the PEAS of E-mail agent
What does it mean by software re-engineering ?
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
How will an engineer assess the safety? The risks linked to a project or product must be identified. The purposes of the project or product must be identified and ranked in im
The spiral model of software development Contains project risks evaluation during every iteration
Q. Explain Equivalence Class Partitioning ? Equivalence Class Partitioning : It is a method in black box testing. It is designed to reduce the number of test cases by dividing
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what effect does memory have on dma? what about on board cache? how much are the system buses available?
Advantages of incremental Model:- As product is to be delivered in parts, total cost of the project is dispersed. Limited number of persons can be put on to the projec
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