Distance education has taken systematic teaching-learning process to persons living in isolated areas where facilities for the traditional form of classroom teaching cannot be developed. It addresses the needs of specific target groups, there is a great variation in the range of programmes offered. The basic characteristics of distance education are spatial separation of the teacher from the learner, an age-heterogeneous learner group, easy availability, and diversity in the nature of programmes offered. The development of computer-based technologies has revolutionised teaching and learning process. Today, as we stand on the threshold of the new millennium the advent of virtual classrooms and video desktop promises interesting possibilities, including the remerger of the formal and informal streams. The present book gives an authentic in-depth analysis of contemporary situations, progresses and challenges in the field of distance education."
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