Define instructional technology and compare different kinds of projected and non-projected aids
Define instructional technology and compare different kinds of projected and non-projected aids
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Instructional technology refers to the use of tools, techniques, and resources to enhance the teaching-learning process. It includes the use of various types of media, such as audio, video, and computer-based technologies, to deliver instructional content.
When it comes to instructional technology, projected and non-projected aids are two important categories of visual aids. Non-projected aids are visual aids that are presented without any projection equipment, such as blackboards, charts, and posters. Projected aids, on the other hand, are visual aids that are shown with a projector, such as slides, filmstrips, and videos.
In terms of their advantages and disadvantages, non-projected aids are abundant and easily obtainable, require no electricity, and are appropriate for low-budget extension work. They are also useful in small group situations and do not require much artistic ability in their use. However, they have limited visibility and are not suitable for large groups or use in dark or semi-dark conditions.
Projected aids, on the other hand, are suitable for use in dark or semi-dark conditions, are suitable for large groups, and can be used to magnify images for better visibility. However, they require electricity, can be expensive, and may require technical expertise to operate.
Overall, the choice of whether to use projected or non-projected aids depends on the specific teaching situation and the resources available. Non-projected aids are more suitable for small groups and low-budget situations, while projected aids are more suitable for large groups and situations where visibility is a concern.