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Hardware and Software
The learning goals and the specific formulation of instructional objectives relating to teaching-learning system, when clearly visualized by the teacher, add to the effective use and selection of various means to reach them. To impact instruction we need a number of materials that our senses, the eyes, ears, tongue, nose and skin, acquire for gaining knowledge. We acquire all knowledge through instructions. The senses are instrumental for imparting instruction. The maximum senses are used, the better is the instruction.
Among the various aids to reach the instructional goals are the strategies and tactics of teaching. The hardware and software equipments and systems of educational technology besides the audio-visual ...
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