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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 the advantage of Iterative Enhancement Model in developing a system?
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Hybrid design: Pure top-down or pure bottom up approaches are often not practical thus hybrid approach which combines the above two approaches is often used.
State Lehman's First law. A program that is used in true world environment essentially must change or become progressively less useful in that environment.
Q. Consider the program given below void main() { int i,j,k; readln (i,j,k); if( (i k) ) { writeln("then part"); if (j writeln ("j
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EXPLAIN COMPONENTS OF DATABASE MANAGEMENT
What happens when GUI maps are loaded? When a GUI map is loaded following things take place: - All object logical names, window information and physical descriptions gets lo
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