1 янв 1975 г. - PLATO, a computer-assisted instruction system was in place at nearly 150 grammar schools, high schools, colleges and universities, and military installations.
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By Jason Scott [CC BY-SA 3.0 us (http://creativecommons.org/licenses/by-sa/3.0/us/deed.en)], via Wikimedia Commons
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A Brief History of Educational Technology
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