Comprehensive PC hardware reference, troubleshooting, optimization and procedures. Over 500,000 words of original material describing in detail the function and operation of major PC components and systems. Includes extensive troubleshooting and system optimization guide and the best procedure for building your own PC on the Web.

Extensive knowledge base of medical information on symptoms, diagnosis, and misdiagnosis of more than 20,000 medical conditions. Research causes of your symptoms or research treatments for diseases.

Molex manufactures electronic, electrical and fiber optic connection systems, ribbon cable, switches and application tooling. Over 100,000 passive component interconnect products and extensive custom design are offered worldwide. Industries served include automotive, computer, business equipment, home entertainment, home appliance, medical electronics and telecommunications.