Includes information from the most basic, such as how to get into a computer, to fairly technical specifications of various components. Generally focuses on determining whether upgrading or repairing is a good idea and if so finding the best way. Includes primary components, input/output hardware, mass storage, system maintenance, troubleshooting, and applications. The accompanying CD-ROM contains searchable versions of six technical books. The explanations and suggestions are applicable to any type and brand of personal computer. Includes a glossary without pronunciation. No bibliography. New editions have come out frequently since the first in 1988. Annotation copyrighted by Book News, Inc., Portland, OR