Details distinction between digital and analog data, advantages of analog storage, and optical disc use to store analog data. Configuration and potential of three levels of laser disc systems are explained. Selection of display devices for use with laser disc systems and accessing audio data are addressed. (Continued in next issue.) (EJS)

Defines and discusses the equipment and software needed to start telecommunicating: modems (speed, autodial or manual dial, stand-alone or built-in), telephones, telecommunications software, and commercial information services, including electronic mail and bulletin boards. Definitions, communications protocols, equipment features, and costs are…

Description of database management systems for microcomputers highlights system features and factors to consider in microcomputer system selection. A method for ranking database management systems is explained and applied to a defined need, i.e., software support for indexing a weekly newspaper. A glossary of terms and 32-item bibliography are…