In keeping with the success of the third edition, "Enhanced Guide to Managing & Maintaining Your PC has been updated to include the most current technology. With a new chapter on Windows 2000 and coverage on the Linux operating system, this title thoroughly covers the most up-to-date topics in the PC Repair industry. This book helps computer users gain skills required to support and repair their own PC and also covers how a computer works, and how to maintain, troubleshoot, upgrade and repair a PC. This title also serves as an excellent resource for those interested in PC Repair and/or A+ certification.

The A+ Guide to Managing and Maintaining Your PC, Comprehensive, Fourth Edition has been thoroughly updated for today's technology and is written by an instructor expressly for the classroom. This text is designed to be the most complete, step-by-step book available for learning the fundamentals of supporting and troubleshooting computer hardware and software. This guide maps fully to the 2003 A+ Core Hardware and OS Technologies certification exams.

Whether the goal is to support a PC, obtain A+ certification, or train others to become PC repair technicians, "A+ Guide to Managing and Maintaining Your PC" gets you there. Jean Andrews brings clear, conversational writing to technical topics to make tough topics easier--no electronic experience is assumed or required. This new edition contains coverage on NT 4, Windows 98, and is current for today's technology.

The so-called fourth dimension of a metropolis is the underground space beneath a city which typically includes structures such as tunnels, which facilitate transport and provide gas, water and other supplies. Underground space may also be utilised for living, working and recreational facilities and industrial storage. These volumes focus on underg

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