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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
Explain in detail structure with diagram
What are the Types of Requirements There are numerous categories of the requirements. On the basis of their priority, requirements are classified into below 3 types: 1.
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Q. Realistic approach to the development of large-scale systems? There are a number of advantages of Spiral model that makes it a realistic approach to development of large-sca
Q. Explain the software life cycle model that incorporates risk factor. Ans. The problem with traditional software process models is that they don't deal sufficiently with th
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Define Verification &Validation. Verification : The set of actions that make sure software correctly implements a particular function. Validation : The set of actions that
give me a graph of online shopping time line chart
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