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Critical Understanding of ICT | BEd Free Study Material | Free BEd Book | Download BEd Free Study Material  CONTENTS:  Unit – I: Information and Communication Technology ♦ Educational Technology:– Concept– Growth– Objectives– Characteristics– Advantages– Challenges– Impact♦ Information Technology♦ Knowledge Explosion:– Knowledge Preservation and Retrieval♦ Communication:– Concept– Elements– Process– Barriers– Types– Teachings as Communication– Communication Technlogy…