Describes the use of ISDN (Integrated Services Digital Networks) in homes, home offices, and offices as a way of transmitting data in audio and video form. Explains how ISDN works and reviews computer equipment needed to change existing telephone service into ISDN service. A chart presents product information for ISDN modems. (JMV)

The versatility of the computer can be expanded considerably for young handicapped children by using input devices other than the typewriter-style keyboard. Input devices appropriate for young children can be classified into four categories: alternative keyboards, contact switches, speech input devices, and cursor control devices. Described are…

The three articles in this special section on document image files discuss intelligent character recognition, including comparison with optical character recognition; selection of displays for document image processing, focusing on paperlike displays; and imaging hardware, software, and vendors, including guidelines for system selection. (MES)

Discusses image scanning and optical character recognition. Describes how computer scanners work. Summarizes scan quality, scanning speed requirements, and hardware requirements for scanners. Surveys the range of scanners currently available. (MVL)

An augmentative and alternative communication device was designed for a nonspeaking, blind, severely mentally retarded 11-year-old. The device consisted of a computer-supported expanded keyboard that produced synthetic speech output when tactile symbols were activated. Described are the assessment procedures, instructional procedures, and…