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Consumer Electronics by S. P. Bali

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INTERACTIVE VIDEO SYSTEMS

When video can be made to respond to the wishes and instructions of the operator, it is said to be interactive. Both video tapes and discs have a role to play in this new application of video, which promises to introduce new methods of learning.

The aim of interactive learning through video is to let the machine take over from the teacher. If it incorporates a programmed tape, a machine on which to play it, a monitor and a device, linked to a print-out, into which the student can punch responses, an interactive video system can check a student's progress and understanding step by step, and discover which areas of study demand the teacher's personal attention.

The next step in sophistication is to link the tape player ...

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