WHAT'S INSIDE: COMPUTER HARDWARE

From USB connectors to motherboards, the HowStuffWorks Computer Hardware Channel will help you find explanations, reviews, videos and prices for the parts you need.
  • Hardware Basics
  • Buses
  • CPU
  • Hard Drives & Disks
  • Memory
  • Networking
  • Power Supplies
  • Desktops
  • Mac Computers
  • Tablet PCs
FEATURED: COMPUTER HARDWARE
FPO

Amazing apps can take kids to the moon, let them play with dinosaurs and give them a look inside their bodies.

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How Serial Ports Work

The serial port was an integral part of most computers for more than 20 years, but new computers usually have USB connections instead. Serial ports are still used for most modems, as well as a few other electronic devices.

Can my computer poison me?

Your computer's casing encloses some pretty toxic stuff. If you were to pick through its innards, you'd expose yourself to a whole bevy of chemicals. So how do you stay safe when you power up?

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