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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:
What are the various testing activities? i. Test planning ii. Test execution iii. Test case design iv. Data collection v. Effective evaluation
Q. Explain Logarithmic Poisson Execution Time Model? This model is as well developed by Musa et Al (MUSA79). The breakdown intensity function is different here as compared to B
Explain in detail about Structural Modelling. Structural model contains a detail refinement of ERD, data flow model and control flow model. Creating an ERD. Examp
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Functional testing is black-box type of testing geared to functional needs of an application. Test engineers *should* do functional testing.
Explain Quick-fix Model Quick-fix Model : This is the easiest model used for the maintenance of the software. In this model changes at the code level are made as early as poss
Problem 1. Explain why it is necessary to design the system architecture before the specifications are written 2. Explain why it is important to describe software designs 3.
What are the different Rapid prototyping techniques? i. Dynamic high level language development. ii. Database programming. iii. Component and application assembly.
What is software selection?
What is Version and release management? Invent an identification system for system versions. Plan when a new system version is to be formed. Ensure that version managemen
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