Second installment of directory published in four parts in "Database" (June and August) and "Online" (July and September) provides descriptions of 17 laserdisk products together with information on the producer, compatibility, type of laserdisk, search and retrieval software, interface with magnetic media, conditions of usage, price, and status.…

Fourth installment of a directory published in four parts in "Database" (June and August) and "Online" (July and September) provides descriptions of 12 laserdisk products together with information on the producer, compatibility, type of laserdisk, search and retrieval software, interface with magnetic media, conditions of usage, price, and status.…

Introduction to use of compact disk technology for storing digital data highlights history, background, and developments; technical features; standardization issues; current CD ROM applications; and the market for CD products. A production diagram, a sampling of CD manufacturers and disk replicators, and performance comparison of three storage…

Reviews computer storage devices designed to provide additional memory for microcomputers--chips, floppy disks, hard disks, optical disks--and describes how secondary storage is used (file transfer, formatting, ingredients of incompatibility); disk/controller/software triplet; magnetic tape backup; storage volatility; disk emulator; and…

Describes three commercial, numeric databases that are available in microcomputer diskette format: Micro/Scan Disclosure; Wharton Econometric Forecasting Associates World Economic Service; and Trinet's Survey of Commercial Buying Power. Advantages and disadvantages of the diskette format, search strategies, and a selected list of eight suppliers…

This third article in a five-part series focuses on personal computer software (instructional packages for the computer itself). Topics covered include 11 categories of microcomputer software, evaluation and selection, purchase, version numbers and upgrades, copy protection, disk operating system commands, preparation of master disk, batch files,…

Describes two methods to increase the speed of printing on microcomputers: (1) buffers, which are external storage devices used to temporarily store data bound for the printer; and (2) spoolers, which are software programs used to capture printer output and send it to the computer's memory or to a disk file. (LRW)

Describes computer storage devices and suggests implications for electronic publishing. Highlights include magnetic storage media, including digital audio tape (DAT); high-capacity magnetic drives; optical storage technologies, including CD-ROM and WORM; magneto-optical drives; and a sidebar that discusses other storage technologies. (21…

Discussion of the factors that should be considered when purchasing or upgrading a microcomputer focuses on the MS-DOS and OS/2 operating systems. Macintosh purchasing decisions are discussed in a sidebar. A glossary is provided. (CLB)

This review of public domain software (written by individuals who release programs for free copying and distribution) focuses on disk utility programs which deal with the manipulation of files on disks (finding, moving, changing, viewing, organizing, storing). Sources for identifying programs and three addresses for software distribution are…

Offers suggestions for avoiding common errors in online microcomputer use. Areas discussed include learning the basics; hardware protection; backup options; hard disk organization; software selection; file security; and the use of dedicated communications lines. (CLB)

Discusses downloading of data from databases using microcomputers and mass storage technologies as it relates to copyright laws and legal implications. Topics covered include a definition of copyright; original works; collective works and compilations; fair use; downloading by libraries; court bases; and resolution of uncertainty surrounding…

Describes the use of a microcomputer system to generate a personal database of books read by adding titles, displaying title/author information, and editing title/author information and discusses the system design, i.e., file structure (author index, book index, book, author), the main driver, function subroutines, and screen subroutines. (EJS)

Describes the costs, programing languages, limitations, and capabilities of micro, mini, and mainframe computers, as well as specific computer projects and storage techniques, including disks, floppies, and videodiscs. Also discussed are links, networks, and computer features for libraries. A glossary and 22 references are provided. (RBF)

This discussion of the Integrated Services Digital Network (ISDN) telecommunications system compares it to existing telephone networks and describes international efforts at standardization, proposed services to business and residential customers, technological developments, and cost considerations. The effects of ISDN developments on the role of…