Understanding Graphic Cards
Dedicated graphics cards, which we will be discussing in this article, are needed if you want to do 3D gaming or watch high definition movies. The GPU (Graphic Processing Unit) is the most determinant feature of every graphics card when it comes to the overall performance and speed. More ...
Five Types of HDMI Cables
There are different types of HDMI cables, some are technologically more enhanced and some are designed for specific PCs and TVs, so it's important that you get to know about the various types. More ...
Building Your Own PC! - The Motherboard is the Core of the PC
The single most important piece of hardware that you will buy is the motherboard - the very core of your PC. If you buy a PC from a shop, chances are you'll never think about or even see the motherboard; but when you build a system from scratch, it must be your primary consideration. Everything else follows from here. More ...
PC Sound Circuitry
Actual physical sound is an analog phenomenon while the computer is digital. To output a sound stored on a computer disk to a speaker the sound circuit uses a digital-to-analog converter. Sound input to the computer for recording uses an analog-to-digital converter. So PC sound circuitry is primarily an AD/DA-converter or a "coder/decoder", usually shortened to "codec". More ...
How Does Wireless Internet Work?
Just as we broke free from phone lines, we can now access the Internet from just about anywhere via a wireless connection. Wireless Internet access is really much simpler than most people think. This article briefly explains how it works. More ...
PC Video
The video circuits of a computer take digital data and arrange it for display on a screen. In the past, PCs used CRTs (Cathode Ray Tubes) for video display. Today's PCs use LCDs (Liguid Crystal Displays). Whether the display is CRT or LCD, the image is created with a matrix of dots (called pixels for picture elements). More ...
Plug and Play Resource Allocation
Early PCs used a bus called Industry Standard Architecture (ISA). ISA devices cannot share resources, each ISA device must have its own IRQ. In 1993, Microsoft and Intel developed Plug and Play (PnP) to solve this problem. More ...
Device Driver Basics
In this article, I'm going to reveal in plain English what a driver is, why we need drivers, and exactly where the drivers are hiding. To give you a basic understanding, I'm going to go back, way back, to the early days of computers. More ...
The Chemistry of Laptop Batteries Explained
Laptop batteries come in all shapes and sizes also differ in their chemical composition. The chemistry of a battery refers to the chemical make-up of the cells inside the outer casing. This artilce explains the most common chemistries used in laptop batteries. More ...
Windows Registry Basics
The Windows Registry is a database that stores information about the system, including; installed hardware and its configuration, device drivers, network settings, installed applications and their configuration, and the configuration of each user's desktop. To maintain your own computer, you will need to become familiar with the Registry. More ...
Tips and Techniques For Building Your Own PC
What do you need to build a computer? Believe us, it's not as complicated as it seems. Let's start with the case. The variety is staggering, with hundreds of styles, shapes and sizes available. We recommend that you look closely at the features. Some gorgeous PC cases are nightmares to work with, or are cheaply built. More ...
All About Your Computer's BIOS
Are you confused by the computer BIOS? The BIOS is a fundamental component of any PC and if you really want to get into the guys of a computer, it?s good through understanding what BIOS Is all about. More ...
External Serial Advanced Technology Attachment (eSATA)
Initially all SATA (and PATA) interfaces were for internal hard disks. With the introduction of eSATA, the SATA interface can be used with external storage media. This puts eSATA in competition with Universal Serial Bus (USB) and Firewire. Especially since, like USB and Firewire, eSATA allows hot swapping. More ...
How to Build Your Own PC - The Smart Way
So you think you can build your own PC? A little knowledge is a dangerous and expensive thing if it all goes wrong. This article dissects a PC build component by component illuminating the points about which you need to make wise choices. More ...
