| 21. | The Jasper series includes a variety of videodisc adventures focused on problem formulation and problem solving.
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| 22. | The VHD system had advantages over both the competing RCA Selectavision videodisc system and the Laserdisc.
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| 23. | On her deathbed, Jennifer asked Gwen to make a videodisc recording of her for Johnny.
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| 24. | Every five classrooms should have a color printer, tape recorder, video recorder and videodisc player.
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| 25. | He helped expand Bank Street's pioneering role in using interactive technologies like microcomputers and videodiscs.
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| 26. | Separately, the company is adding an extensive line of videotapes and DVDs ( digital videodiscs ).
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| 27. | Lectures are on videodiscs and online, and tests and teacher consultations are conducted on the Internet.
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| 28. | A keel-shaped diamond stylus appeared as a byproduct of the invention of the CED Videodisc.
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| 29. | It was also used for the audio tracks on discs of the RCA SelectaVision CED Videodisc system.
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| 30. | At that time, ARDEV and all of its videodisc technologies were acquired by McDonnell-Douglas.
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