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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
RAD Model Rapid Application Development Model is the method of incremental model. Achieves the high speed development using component based construction. Phases
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explain about transaction and transform mapping
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What is quality control? Ans) Quality control means to preserve the quality of product by measuring their content , different physical parameters.
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