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Tech | Computer | 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.

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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.


PCI Express Image Gallery

 PCI Express Image Gallery

PCI Express is a serial connection that operates more like a network than a bus. Take a look at these PCI Express pictures to learn more. See more »

 What is the main difference between FireWire and USB?

Both FireWire and USB are technologies used to quickly transfer data. Learn about the main difference between FireWire and USB in this article. See more »

 What's another name for FireWire?

FireWire, or IEEE 1394, is a technology used to transfer data quickly. Learn more about FireWire in this article. See more »

How Light Peak Works

 How Light Peak Works

Light Peak is a new standard for how computers communicate with peripherals. Learn about Light Peak technology and Light Peak speeds. See more »

How PCI Express Works

 How PCI Express Works

PCI Express is a high-speed serial connection that operates more like a network than a bus. Learn how PCI Express can speed up a computer and replace the AGP. See more »

How AGP Works

 How AGP Works

The AGP enables your computer to have a dedicated way to communicate with the graphics card, which enhances the look of graphics. Find out how AGP works. See more »

How accessDTV Works

 How accessDTV Works

With accessDTV you can access digital television on your computer through a PCI card while surfing and running other programs. Learn more here. See more »

How SCSI Works

 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. See more »

How PCI Works

 How PCI Works

Your computer's components work together through a bus. Learn about the PCI bus, as well as past and future bus technology. See more »

How IDE Controllers Work

 How IDE Controllers Work

The Integrated Drive Electronics interface is the most popular way to connect a hard drive to a PC. Find out where IDE came from and how it works today. See more »