Charles S. Parker Related books A Beginner's Guide to Basic Dryden Press • 1992 Kit Understanding Harcourt • 1996 Understanding Computers Thomson Learning Understanding Computers Thomson Learning Understanding Computers 2000 Thomson Learning • 2000 Understanding Computers and Information Processing Dryden Pr • 1994 Understanding Computers and Information Processing (Dryden Press Series in Information Systems) Dryden Press • 1995