January 1994 / Book and CD-ROM Reviews

Low-Cost Data Acquisition	BUILD YOUR OWN LOW-COST DATA ACQUISITION AND DISPLAY DEVICES, Jeffrey Hirst Johnson, Tab Books, ISBN 0-8306-4348-6, $19.95 One of the most frequently asked questions in the Internet PC newsgroups is, "How do I get access to the serial/para llel ports on my PC? - by Howard Eglowstein
What Are Open Systems?	OPEN SYSTEMS: THE REALITY by Terry A. Critchley and K. C. Batty, Prentice-Hall, ISBN 0-13-030735-1, $40 As Critchley and Batty demonstrate at the beginning of their book Open Systems: The Reality, the one thing that seems too ope n is the definition of the phrase open systems. - by Ben Smith
An Improved Encarta	MICROSOFT ENCARTA 94, $395 Last year, the Encarta electronic encyclopedia set a standard for multimedia CD-ROM. - by Michael Nadeau
Dueling Dictionaries	- by Michael Nadeau
For Fire Walkers Only	SENDMAIL, Bryan Costales, Eric Allman, and Neil Rickert O'Reilly & Associates, ISDN 1-56592-056-2, $32.95 It all started as a student's programming project in the early 1980s at the University of California at Berkeley; it ended up being the worldwide standard for Internet mail routing. - by Ben Smith

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