Cezzar, Ruknet. A Guide to Programming Languages. Boston: Artech House, 1995. Good short summaries of key languages.
Cusumano, Michael, and Selby, Richard. Microsoft Secrets. New York: Simon & Schuster, 1998. Important on the early Microsoft.
Custer, Helen. Inside Windows NT. Redmond, WA: Microsoft Press, 1993. More than an introduction to NT, this is a thoughtful and well-explained overview of modern operating systems. By no means out of date.
Fluckiger, François, Understanding Networked Multimedia. London: Prentice Hall, 1995. Full of information both about multimedia technologies and about networks.
Kroenke, David. Database Processing: Fundamentals, Design and Implementation. Upper Saddle River, NJ: Prentice Hall PTR, 1999. ...