The research project reported in this thesis has shown that there is need for an enabling virtual classroom and text-based E-learning environment in Nigerian Polytechnic Education System. Having identified the problems inherent in Nigerian Polytechnic Education System, A virtual classroom was designed that accommodated a blend of synchronous and Asynchronous methods of learning. Web accessibility initiative was incorporated in the design to take care of learners with some sort of disabilities. Also included, was a virtual library facility for referencing.
The designed virtual classroom was used in practice to assist learners in undertaking courses in Computer Science, Banking and Finance, Business Administration and Management, Electrical/Electronics Engineering, Secretarial Studies and Mass Communication at National Diploma or Higher National Diploma levels using NBTE (National Board for Technical Education) minimum guide curriculum. HTML, DHTML, XML and Visual Basic (VB) authoring languages were used to produce the course wares. The authoring system was developed in a way that will enable lecturers who are not computer professionals to produce course wares without any serious computer programming skill. Visual Basic Programming Language was used to create the database used in this work.
The text-based facility was used to establish communication between the lecturer and the students and among themselves and even with authorities of the school.
Collaborative and didactic learning were supported by the newly designed system.
The use of computer in Education was nursed when the first business computer was completed in 1951. Educationalists dreamt of connecting College classrooms to computers which would serve as patient tutors, scrupulous examiners and tireless schedulers of instructions. Further, it was expected that the benefits to students would include the freedom to follow their own paths of learning, at their own pace at a time convenient to them, with richer materials to work with and automatic measurement of their progress.
The dream was actualized with the introduction of E-learning and its attendant virtual reality.
E-learning can be accomplished through any of the following:- web-based learning, virtual classroom, Distance learning etc.
E-learning involves the use of virtual reality in establishing a virtual classroom, virtual library and E-learning ware (or kernel or courseware) for actualizing collaborative and didactic learning.
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