Byte vol.9 №9 September 1984

INTRODUCTION
The Array of IBM Personal Computers…………..9
■ Matching Machines to Computing Requirements
IBM Personal Computers at a Glance…………..10
The PC. PC XT. Jr.. Portable. X1737O. 3270 PC and S9000.
Forecast. Market Dominance by Michael Killen….30
A wide range of IBM products followed the PC’s well-timed market entry.
STALWARTS
Operating Systems. Programming Languages, and Applications……………………………………..41
■ Mac/lines Within the Machines: Operating Systems A Tale of Two Operating Systems
by Charles Daney and Tom Foth………………………42
The virtual machine of the X1737O at work with PC-DOS.
The Future of UNIX on the IBM PC by Ralph A. Pfirantf…………………………………………59
UNIX is running on the PC XT. but how soon will it be available?
Five Window Managers for the IBM PC by ]o/in Markoff………………………………………….65
You may be ready for window-management software, but Is it ready for you?
■ Manners of Speaking: Programming Languages
Two Logos for the IBM PC by Morton Goldberg…………91
IBM’s Logo compared with a version from Digital Research.
The Logical Record Keeper: PROLOG on the IBM
by lames L Weiner………………………………..125
PROLOG uses the techniques of a database manager In a programming language
An Introduction to PC Assembly Language Programming
by William J. Claff………………………………134
High-level languages are easier to learn if you understand assembly language.
■ Ways of Working: Applications and Programming Technical and Business Graphics on the IBM PC by lack Bishop…………………………………..155
Spreadsheet packages can improve the looks of any business presentation.
Word Processing Revisited by lanel Cameron………….165
A review of five new versions of popular word processors for the IBM PC
Six Database-Management Systems for the IBM PC by David Kruglinski…………………………187
Six popular databases have been updated on the IBM PC
Evaluating 8087 Performance on the IBM PC by Stephen S. Fried…………………………197
The 8087 coprocessor for your IBM can save you time and money.
EXTRA POWER FOR SPECIAL NEEDS
IBM’s X17370. 3270 PC, and S9000 209
■ T/tfr Micro as Mainframe/The Mainframe as Micro The IBM XT/370 Personal Computer
by Ernest Sabine……………………………210
IBM has put a virtual machine on everyone’s desk.
Number Crunching on IBM’s New S9000 by David J. States………………………….218
The S9000. from IBM’s instrument division, may be the first micro for the scientist.
The Mainframe Connection: IBM’s 3270 PC
by Larry Augustin……………………….231 Faster communications and windows make the 3270 a bridge to IBM’s mainframes.
■ Maximizing the PC Family:
Communications and Compatibility
Modems: The Next Generation by Mark Klein…….238
Smart Interfaces and new software are making modems easier to use.
Moving Data Between PCs and Mainframes by lay Siegel………………………………248
Moving data between computers and terminal software can be a problem
Testing for IBM PC Compatibility by Robert A. Stillman……………………….256
“Dying to stretch your PC budget may mean searching for a compatible machine.
Whats New………………………………….266
BYTE looks at some of the latest products to boost the productivity of your PC