Hardware Applications

Page Updated December 2024

How DSL Works  DSL transmits data over phone lines without interfering with voice service. Find out how it uses extra bandwidth to provide a fast Internet connection without taking over your phone.

How Graphics Cards Work  A graphics card takes a computer's digital information and turns it into images for display. Learn about the amazing technology that converts 1s and 0s into eye candy.

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.

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 Serial Ports Work  Serial ports have been an important I/O tool for decades. Learn how they work!

How Sound Cards Work  Sound cards ushered PCs into the world of multi-media. Learn how sound cards work and understand the various features.

How the Airborne Internet Will Work  You could soon be using a high-speed, wireless Internet connection originating from an aircraft flying over your city. Learn about the airborne Internet.

How USB Ports Work  The USB port has taken over as the preferred connection -- it's easy, it's fast and it supports up to 127 devices on a single machine. Learn about the Universal Serial Bus!