Flashcards · 7517 · Topic 13

Systematic approach to problem solving flashcards

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What happens in the analysis stage?: The problem is defined and the requirements are established with the client and users, often by interview and observation, and agreed as measurable objectives. A data model may be produced.
What happens in the design stage?: Plans are made for the solution: data structures, algorithms, modular structure, the user interface, and the testing strategy.
Why is prototyping and agile development useful?: Working versions are shown to users early and often, so feedback can be used to refine the requirements and design as development proceeds.
What are normal, boundary and erroneous test data?: Normal: typical valid data, should be accepted. Boundary: values on and just beyond the limits. Erroneous: invalid data, should be rejected.
What happens in the evaluation stage?: The finished system is judged against the original requirements and objectives, with feedback from users, and possible improvements are identified.