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Victims of Sandy Hook

Stop the Slaughter of Innocents. Congress is bought and paid for by gun lunatics and gun promotion groups. If you want to live in a safe America, help buy Congress back for America. Send a donation to Mayors Against Illegal Guns, 909 Third Avenue, 15th Floor New York, NY 10022

Basic PC Anatomy

Rambus DRAM (RDRAM)
Rambus DRAM (RDRAM) is a proprietary memory technology, designed by the Rambus Corporation, that is found in some Pentium III and Pentium 4 systems built between 2000 and 2002. When it was introduced it run at faster speed than conventional SDRAM. When DDR SDRAM was released, RDRAM became obsolete. More ...

Video - How to Buy a Motherboard
In this video James, computer hardware training coordinator for Interconnection, shows you how to buy a motherboard. There are a few things you want to keep in mind when buying a motherboard, like Will the motherboard support 64-bit processors? More ...

Serial ATA Hard Drive
New computers will begin using the SATA (Serial ATA) interface to the hard disk. Some new motherboards come with built-in SATA support. The SATA interface does not use a ribbon cable. Instead, it uses a cable similar to a network cable with only seven wires. More ...

SD (Secure Digital) Memory Card Basics
SD cards come in a variety of sizes, storage capacities, and transfer speeds. This makes it confusing for users to choose the correct memory card for their products. This article touches on the SD technologies to help you get the correct SD memory card. More ...

Basic Computer Thermodynamics
Picture the CPU of a computer cooking away because the designer wants to push too much power through a small piece of silicon. If we don't take away that heat as fast as it's created, that CPU will fry! More ...

Basic Arithmetic Logic Unit (ALU) Circuitry
One of the primary functions performed by a computer is mathematics. This article describes some of the logic circuits used to create the Arithmetic Logic Unit (ALU) of a microprocessor. More ...

How Hard Disks Work
A hard disk drive consists of several main components. The first is one or more thin disks that spin at anything from 3650 to 15000 RPM. The second major component is the head assembly which consists of record/playback heads mounted on arms which pivot so that the heads can be placed over any of the tracks. More ...

Network Interface Card (NIC)
A Network Interface Card (NIC) is an expansion card that allows a PC to connect to a network. Though there are many different types of networks, PCs almost always use a NIC that interfaces to a wireless network or an Ethernet network. More ...

Understanding Your PC's CPU Clock Speed and Front Side Bus
The CPU or Central Processing Unit is the brains of any computer and the two major manufacturers are Intel and AMD or Advanced Micro Devices. For many years Intel CPUs were found in nearly all PCs. And now the Intel is found in most systems but the newer Athlon class CPU from AMD have taken a large chunk of the CPU market. More ...

A Guide To Building Your Own PC
What do you need to build your own custom computer? Believe it or not, it's not as complicated as it seems. The processor you choose usually determines which motherboard you select. Motherboards are designed to work with specific CPUs, indicated by the type of socket that the processor fits into. 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 ...

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 ...

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