A school plans to develop a web-based bilingual learning system for its students. This system would offer a student to have an account through which she can log online and interact with online classes; complete assignments; view timetable, weekly plans, grades, announcements, and communicate with instructors and other students. Instructors also logon and interact with the system to deliver courses, prepare, and mark assessments, post grades, and interact with students. Student, instructors and administrators are given different privileges. An existing school relational database must be used. The system should be available up all the time (24/7) and if for any reason the system is down its mirror/replica/copy system should start running within 60 seconds. The school is welcoming proposals from developers to specify cost and duration. List the above system constraints.
A school plans to develop a web-based bilingual learning system for its students. This system would offer a student to have an account through which she can log online and interact with online classes; complete assignments; view timetable, weekly plans, grades, announcements, and communicate with instructors and other students. Instructors also logon and interact with the system to deliver courses, prepare, and mark assessments, post grades, and interact with students. Student, instructors and administrators are given different privileges. An existing school relational
List the above system constraints.
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