Computer Safety for Kids by Rob Pirozzi
Start With the Basics - Protect Your PC Guarding Access to Your PC - Get a Firewall Beginning in the Zhou Dynasty, which was in the 11th century BC, construction was begun on what was to become the Great Wall of China. For 2,700 years, culminating in the mid-1600s, construction continued on... Literally, a cable from your cable or DSL modem gets connected to the hardware firewall. ... There are also many excellent anti-spyware packages that range in price from $19.95 to $39.95. ... Many cable, DSL, and wireless routers/switches have firewalls built into them.

Motherboard Basics by Jason Kohrs
A recent Tech Tip covered the basics of selecting a computer case and made mention of the various sizes that correspond to motherboards of different form factors. A few people wrote in expressing interest in understanding more about the basics of motherboards, and that’s exactly what this Tech... A typical motherboard will now include stereo sound capabilities, a 10/100 LAN connection, and a few USB 2.0 ports on the back panel connection. ... Extra Features Many motherboards now include features onboard that were once only available as expansion cards to be purchased separately.