3.4 (SSADM)We utilized the SSADM framework since it provides a clear analysis of the current system of teaching through up to the physical design of the system. After we have analyzed the virtual reality system and all the current problems students and lecturers face in Universities in this era, SSADM will allow us to specify all the requirements that must be met during the design of the virtual reality system. These were the first two stages of the SSADM framework (Weaver et al. 2002). In the third stage, we selected all the technical requirements that we require for the project. This included purchasing additional computers and headsets together with the avatar that will act as a three-dimensional teacher.Logical Design of DataSo that to have a clear picture of all the required data to build the virtual reality teaching system we must design logic which demonstrate the data required.For the Learning system to operate seamlessly, it must consist of a well-structured database which will handle all the student data, learning resources, module information, the courses and much more information. Below is a logical structure for the Virtual Reality system.These are all the entities and attributes predicted to be usable in the new Virtual Reality SystemThe Database graph will be as follows.AvatarAvatar ID (Int):Time Schedule(time):Languages(array):Gender(double)Student (Entity)Student ID(INt)Student Name(string)Course(Char)Unit (String)Time Schedule (time)Avatar DB:Couse NameCourse Code:Units:Chapters:Introduction Audio:Chapter video:AppAppIdVirtual machine IDStudentUserIdApp ID
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