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 »
what's inside: computer hardware channel
From USB connectors to motherboards, the HowStuffWorks Computer Hardware Channel will help you find explanations, reviews, videos and prices for the parts you need.
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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 »
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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 »
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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 »
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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 »
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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 »
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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 »
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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 »
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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 »
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featured articles
How Routing Algorithms Work
Think you know how routers work? These devices use intricate formulas to figure out exactly where to send a packet and how to get it there. Learn all about routing algorithms.
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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.
How RAM Works
Random access memory is the most well-known form of computer memory. It's as important to your computer's operation as the CPU, because it determines how quickly and efficiently your computer can perform your requested tasks.
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