Design for Web-based on-demand multiple choice exams using XML

We describe a Web based system for the delivery and marking of multiple-choice questions. While other Web systems exist that deliver such exams, those systems require either the manual mark-up of static exam questions, or generate different versions of an exam with limited variability. Such approaches result in exams that should only be administered once to a specific student. Our system is more general in how it generates different versions of an exam, using XML