With the rapid development of information technology, various online education platforms support the sharing of digital educational resources. Because digital educational resources are simple to duplicate and disseminate quickly, there exists copyright infringement, which threatens the interests of copyright owners. In addition, the existing…

Centers on the current interest of using CD-ROM for text retrieval. Describes the digital video interactive (DVI) system which integrates graphics, audio, and video images with text. Explores why CD-ROM use by scientists is limited. (MVL)

Identifies and describes the major areas of videodisc technology; discusses the operation, reliability, storage capacities, and applications of two types of laser systems; and illustrates the versatility of the optical digital disc through a description of its ability to digitize large bodies of data. Included are six figures and three tables.…