We describe a technique for specifying operational profiles for modules. The technique is more general than those of the current literature and allows more accurate specification of module usage. We also outline an algorithm for automatically generating random test cases from any such operational profile specification for a module, such that the test cases correspond to a random sampling of the module's input in actual operation. Operational-based statistical estimations, such as operational reliability, may be more meaningful when our specification method and generation algorithm are used, because our method permits more precise specifications than do other methods in the current literature.
We describe a technique for tional profiles for modules. specifying operaThe technique is more general than those of the current literature and allows more accurate specification of nlodu]e usage. We also outline an algorithm for allsomatically generating random test cases from any such operational profile specification for a module, such that the test cases correspond to a random sampling of the module's input in actual operation. Operational-based statistical estimations, such as operational reliability, may be more meaningful when our specification method and generation algorithm are used, because our method permits more precise specifications than do other methods in the current literature.
We have been using a combination of conventional and on-line programming examinations for the past 3 years in our first year programming courses. We plan to continue using on-line components because of the positive feedback from both students and faculty. We describe the operational and pedagogical lessons we have learned, illustrating problems encountered and our solutions, in the hope that others considering on-line examinations may also benefit from our experiences.
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