A concisely written book on computer technologies pertinent to securing personal and small business computing systems. Everyone who owns a computer can, and should, learn how to secure them.
A clear explanation of how computers, networks and the internet work and how to apply solid, easy to understand security measures against intrustions, data theft, identity theft and system crashes.
Complete Troubleshooting & Repairing guide to hot air furnaces * Complete operation, maintenance, and repair * Covers gas, oil, and electric forced air systems * Includes flowcharts and highlighted tips and solutions to common furnace problems