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From USB connectors to motherboards, the HowStuffWorks Computer Hardware Channel will help you find explanations, reviews, videos and prices for the parts you need.

* Buses
* CPU
* Desktops
* Hard Drives & Disks
* Hardware Basics
* Networking
* Memory
* Other Hardware
* Power Supplies

Buses

A bus, or computer universal switch, is essential for data transfer within a computer or between more than one. We'll take a look at topics like PCI, SCSI, USB Ports and serial ports. See more »
Explore These Topics:

* How PCI Express Works
* How SCSI Works
* How IDE Controllers Work
* How PCI Works
* How Serial Ports Work
* How Parallel Ports Work
* How USB Ports Work
* How FireWire Works

CPU

CPU is a well-known acronym in the computing world, but what is in them? Learn more about CPUs, including the differences between Pentium and Celeron processors, or how graphics cards work. See more »
Explore These Topics:

* How EUVL Chipmaking Works
* Can computer chips be air-conditioned?
* How Graphics Cards Work
* How Microprocessors Work

Desktops

This section focuses on desktop computers and their attributes. Learn about PCs, DNA computers, Internet TV and even how to build a computer. See more »
Explore These Topics:

* How Fabric PCs Will Work
* How DNA Computers Will Work
* How Quantum Computers Work
* How the Google-Apple Cloud Computer Will Work
* How Liquid-cooled PCs Work
* How PCs Work
* What happens to your discarded old computer?
* What's the worlds fastest supercomputer used for?
* How to Build a Computer
* How Media-center PCs Work

Hard Drives & Disks

In the Hard Drives & Disks section, we explore how they work, what it means when your hard drive crashes and how to add a hard drive to your computer. See more »
Explore These Topics:

* How Hard Disks Work
* How to Add a Hard Drive to Your Computer
* How Floppy Disk Drives Work

Hardware Basics

Hardware Basics offers tips and tricks for good computer upkeep and explains things like "What does Alt+F do?" or "What are the different kinds of computers?" See more »
Explore These Topics:

* How Motherboards Work

Networking

Computer networking is the engineering that creates communication between computers and other devices. Learn about ethernet, LAN, routers, modems and home networking. See more »
Explore These Topics:

* Router Quiz
* How Ethernet Works
* How Network Address Translation Works
* How Home Networking Works
* How Routers Work
* How Cable Modems Work
* How Web Servers Work
* How Phone-line Networking Works
* How OSI Works
* How Power-line Networking Works

Memory

Memory refers to the amount of storage you have in your computer. We'll explore topics like RAM, caching and virtual memory. See more »
Explore These Topics:

* How ROM Works
* How Removable Storage Works
* How RAM Works
* How BIOS Works
* RAM Quiz
* Computer Memory Quiz
* How Caching Works
* How Computer Memory Works
* How Holographic Memory Will Work
* How Virtual Memory Works

Other Hardware

How do OLEDs work? Will the $100 laptop save the developing world? Get answers to these and other questions in this section. See more »
Explore These Topics:

* How AGP Works
* How accessDTV Works
* How Augmented Reality Will Work
* Will the $100 laptop help save the developing world?
* How Computer Clothing Works

Power Supplies

The performance of your computer relates to its supply of power. Learn how PC power supplies, computer batteries and surge protectors also play an important role in computer upkeep. See more »
Explore These Topics:

* How Surge Protectors Work
* How PC Power Supplies Work

featured articles
FPO
How Modems Work

Much of the world still uses a standard modem to connect to the Internet. In this article, we'll start with the original 300-baud modems and progress all the way through to the ADSL configurations.
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How PCI Express Works

PCI slots are an integral part of a computer's architecture, but they have some shortcomings. Now there's a protocol that provides more bandwidth and is compatible with existing operating systems. Find out about PCI Express.
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How Parallel Ports Work

OK, so they're not as popular as the USB port these days. But the parallel port is still a very common way to connect a printer to a PC. Learn how parallel ports operate and how they came about.
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