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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:
Incremental analysis happens when (partial) analysis may be performed on an incomplete product to permit early feedback on the development of that product.
What are the objectives of Analysis modelling? i. To explain what the customer requires. ii. To establish a basis for the creation of software design. iii. To devise a se
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