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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
Waterfall Model It is the oldest, simplest and most widely used process model. In waterfall model, every phase of the life cycle is finished before start of a new phase. It's
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State Procedural abstraction ?
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Overview You are a Systems Analyst working for Zeppelin Industries Inc. Many of the software projects your company attempts to deliver are failing or have already failed. The
What is boundary data- Test data Extreme/boundary data - This is data at the limits of validity/acceptability (for instance, if a date is being input, two values at the
give the example of data dictionary
Q.Illustrate Intermediate COCOMO model ? The intermediate COCOMO model approximation the software development effort by using 15 cost drivers' variables besides the size variab
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