Basic PC Anatomy
Digital Video Interface (DVI)
Today's computers use LCD (Liquid Crystal Display) displays. LCDs are a digital
device. It makes little sense to convert the digital image data to analog just
to convert it back to digital to display on the LCD. To avoid this double
conversion, the DVI (Digital Video Interface) standard was developed. More ...
Today, there are many keyboard variations. Some keyboards have an integrated pointing device
such as a trackball. Ergonomic keyboards are designed to be more comfortable for the hands
and wrists. Regards of the variations, all keyboards, except those on notebook computers,
follow the 105-key standard. More ...
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 ...
Advanced Micro Devices (AMD) Chipsets
Although most people think the microprocessor is the most important part on a computer's
motherboard, the "chipset" is equally important. With the introduction of the Athlon processor,
AMD gained the technilogical lead. AMD processors and chipsets have always held the advantage in value. More ...
A Definitive Guide on How to Choose Your New PC
There are lots of PC buying guides out there but they're often too high level and only
explain the very simplest of specification details and the minute a sales rep gives you
other options you're lost. This guide is aimed at the novice to moderately experienced PC user. More ...
How to Choose a Computer Case
Computer cases come in many sizes, configurations, and with many features. Which case you need
depends upon what you will use your computer for. You might choose a standard mid tower case
for a home computer that will be used for word processing and spread sheets. For a game machine
or server you might choose a full tower case because of its expansion capability. More ...
Anatomy of a Liquid Crystal Display (LCD)
Color LCD displays have a sandwich-like structure. One layer of the sandwich has
liquid crystal between two glass plates. One glass plate has a matrix of thin film
transistors on it. Liquid crystals move depending upon the charge applied to a tiny
capacitor by its related transistor. More ...
1G, 2G, 3G, and 4G Cellular Wireless Standards
The meaning of the terms 3G and 4G have been made very confusing because some wireless carriers
have built new high-speed 4G networks from the ground up while other wireless carriers have chosen
to doctor-up their 3G service and market it as 4G. More ...
The Small Computer System Interface (SCSI)
SCSI is complicated to configure and troubleshoot with incompatibility between devices
being a common problem. To setup a SCSI system, you need to know which SCSI standard the
devices support. The host adapter must match the devices. More ...
Hard Drives - ATA versus SATA
with data rates hitting the 133MB/sec mark the parallel ATA standard is maxing out,
thus industry leaders got together and came up with a new standard known as Serial ATA (SATA). More ...
Intermediate PC Build-it-Yourself Guide
Before you get out your tool kit and put your anti-static mat on the floor, you have
to consider a few factors before embarking on your computer-building odyssey? Now don't
panic - it's not as complicated as it seems. More ...
A Guide to Basic PC Cooling
Desktop PCs and Notebook PCs generate heat that can reduce the performance, cause
intermittent errors, and be damaging to its components. Here are some tips that will
help lengthen the life of your precious personal computer. More ...