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Explain the term- Phased
In this approach only part of the new system is introduced and only when it proves to work satisfactorily is the next part introduced and so on, until old system is fully replaced
- If latest part fails, only need to go back in system to the point of failure; thus a failure isn't disastrous
- More expansive than direct because it is essential to evaluate every phase before moving to the next stage
- can ensure system works properly before expanding
The below table summarises the risks involved in all 4 methods:
The following program will display an integral solution to the quadratic equation ax2+bx+c for integral values of a,b, and c, where a,c fall between 0 and 10, while b falls between
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Hello, I have an assignment and have to derive a regular expression based on a CFG provided but i dont know how. please help.
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