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Explain the software life cycle model that incorporates risk factor.
The problem with traditional software process models is that they do not deal adequately with the uncertainty, which is inherent to software projects. Significant software projects failed because project risks were neglected and nobody was ready when something unforeseen happened. Barry Boehm recognized this and tried to incorporate the " project risk" factor into a life cycle model. The results is the spiral model, which was presented in 1986 BOEH86 Every loop of the spiral from X-axis clockwise by 3600 represents one phase. Single phase is split roughly into four sectors of major activities.
An identified set of software features to be calculated under specified conditions by comparing actual behavior with the needed behavior described in the software documentation.
1. "Variable trace" is a (computer) record of the names and the values of variables accessed and/or changed during the implementation of a computer program. 2. "Value trace" is
Q. Describe system testing? Ans. System testing: System test are designed to validate a completely developed systems with a view to assuring that it meets its requirements
What is a data object? Data object is a collection of attributes that act as an aspect, characteristic, quality, or descriptor of the object.
What is SCI? Software Configuration Item is information that is carried as part of the software engineering process.
Parallel/audit testing is testing where the user reconciles the output of the latest system to the output of the present system to determine the new system performs the operations
Smoke testing It decreases the integration risk. Error diagnosis and correction are simplified
What is Path Coverage Testing? Ans) A test process satisfying coverage criteria that every logical path by the program is tested. Paths through the program often are grouped int
Problem: (a) Draw an Entity Relationship Diagram for the given case study. Show entities and relationships on the diagram (attributes should not be shown). Cardinality and op
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