How Bluetooth Works - Bluetooth is a new wireless way for electronic devices to communicate with one another. Learn how this short-range radio system works without any user input!
How Cable Modems Work - Cable modems let you send and receive data using the lines set up for cable TV. Learn how a cable modem works and how it compares performance-wise to a DSL connection.
How Domain Name Servers Work - If you're online a lot, you use DNS servers hundreds of times a day -- and you may not even know it. Find out how this global, usually invisible system helps get Web pages to your machine.
How DSL Works - DSL transmits data over phone lines without affecting voice service. Learn how it uses the extra bandwidth to provide a fast Internet connection.
How Encryption Works - How secure is the Internet for sending sensitive information? Learn all about encryption, authentication, hash algorithms and more.
How Ethernet Works - Ethernet technology has changed the way we network. No wires! Learn all about how Ethernet works and what it can do for you.
How Fiber Optics Work - Fiber-optic lines have revolutionized long-distance phone calls, cable TV and the Internet. Learn how optical fibers are made and how they transmit light waves!
How Firewalls Work - Firewalls have helped protect computers in large companies for years. Learn how firewalls work and why you might want one for your home network.
How Home Networking Works - Do you own more than one computer? Want them to talk to each other? Learn how to network computers to share files, a printer and an Internet connection.
How Internet Infrastructure Works - Ever wonder how the Internet works and how Web pages, e-mail and music move to and from your computer? Learn all about this amazing global network.
How IP Telephony Works - IP telephony lets you make free long-distance calls using your computer. Learn about the technology behind it and how you can set it up.
How LAN Switches Work - LAN switches are an important part of the Internet's infrastructure. Learn how LAN switches work and how they improve network performance!
How Modems Work - Most of the world still uses a standard modem to connect to the Internet. Learn how they are able to transmit so much data over a normal voice connection!
How Network Address Translation Works - If you're reading this via the Internet, you're probably using Network Address Translation (NAT). NAT helps reuse IP addresses and improve security -- find out how it works.
How OSI Works - When information travels through a network, it follows certain guidelines to ensure compatibility. Find out about OSI and the protocol stacks that prepare your data for transfer.
How PCI Works - Your computer's components work together through a bus. Learn all about the PCI bus, as well as past and future computer bus technology.
How Phone-line Networking Works - If your computers are in different rooms, phone-line networking may be a good way to connect them. Learn about the pros and cons of a phone-line network.
How Power-line Networking Works - Power-line networking uses the wiring in your house to connect your computers. Learn about the pros and cons of a power-line network.
How Routers Work - Routers are a vital component of the Internet -- it literally could not exist without them. Find out exactly how routers work and why they are so important.
How SCSI Works - SCSI (pronounced "scuzzy") is an ultra-fast, high-power communications bus that connects up to 15 devices to your computer. Find out how this bus operates.
How Ubiquitous Networking Will Work - As computers get smarter, they may begin to follow us wherever we go. Learn how ubiquitous networking will let our data travel with us.
How VDSL Works - Consumers are demanding faster Internet connections, and VDSL may be the answer. Find out why VDSL is so much faster than other DSL technologies.
How Virtual Private Networks Work - Virtual Private Networks give companies and organizations a way to extend their secure networks. Find out how they work!
How Wireless Internet Works - The wireless Internet, commonly referred to as WAP, lets you browse Web pages from your cell phone or PDA. Learn all about this amazing system!
How Wireless Networking Works - Wireless networking is one of the ways to connect your home computers. Learn about the pros and cons of using a wireless network.