Describes the use of a barcode reader, rather than a computer, to control an interactive videodisc for presentations and self-paced tutorials. Highlights include hardware and software used; remote and direct communication; a HyperCard-based program to make barcodes; and converting an existing program. (LRW)

Discussion of the use of instructional videodiscs focuses on authoring tools that can change the original purpose of a disc. Ways in which videodiscs can be repurposed are described, including classroom presentations, testing, and interactive lesson design. Examples of videodisc software for each purpose are given. (LRW)