Byte vol.12 №8 August 1987

FEATURES
The New Generation:
High-Tech Horsepower…………………………101
by the BYTE Editorial Staff
Our first benchmark comparisons of 80386 and 68020 microprocessors and the machines that use them.
Ciarcia’s Circuit Cellar:
Using the ImageWise Video Digitizer, Part 1: Image Processing……………………..113
by Steve Ciarcia
How to use and process data created with ImageWise.
Programming Insight:
Complex Math in Pascal……………………….121
by David Gedeon
These well-designed routines overcome Pascal’s weaknesses in handling complex numbers.
Map Storage on CD-ROM………………………..129
by Donald F. Cooke
The immense capacity and low duplication cost of CD-ROM promise a revolution in map publishing.
THEME: Local Area Networks
Introduction…………………………….145
A LAN Primer……………………………..147
by Dick Lefkon
Looking at the basics of linking computers into a network.
Using the Macintosh on a Unix Network………159
by Hugh T. Smith, William J. Armitage, and R. James Duckworth
A special interface board lets the Mac serve as a graphics front end to Unix machines.
An Inside Look at a LAN Data Archive System…………169
by Meg Woollen Perry
A distributed archive system made from commercial products.
Multiuser Programming………………………..177
by Frederick D. Davis
Useful examples of shared file access.
A Shared Network Spreadsheet………………….185
by Patrick R. Horton and Michael D. Morris
A transparent sharing of data between multiple users on a LAN.
Views on a Network Analyzer…………………..191
by Scott Spangenberg and Raymond G. A. Cote Diagnosis is invaluable for checking the health of your LAN.
REVIEWS
Reviewer’s Notebook…………………………….204
by Cathryn Baskin
Statistics on the Macintosh……………………..207
by Richard S. Lehman
An in-depth survey of 12 packages. The IBM PS/2 Model 50…………………………..217
by Richard Grehan
This redesign of the PC AT is equipped with a 10-MHz 80286, the new Micro Channel bus, and modular construction.
The IBM PS/2 Model 30 …………………………225
by Curtis Franklin Jr.
The smallest and most conservative member of the PS/2 family comes with a souped-up 8086, PC-compatible slots, and new MCGA graphics.
The ISIWC 525 Optical Disk Drive…………….231
by Rich Malloy
Storage for up to 115 megabytes of data.
The Konan KXP-230Z Drive Maximizer…………..233
by Rick Cook and Paul Schauble
Error-detection and -correction, file compaction, and more.