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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

The Fetch, Decode, Execute Cycle
The Fetch, Decode, Execute cycle is paramount to the functioning of a microprocessor. In this article I'll describe the Fetch, Decode, Execute cycle simplified to its bare-bones in a highly simplified fictitious microprocessor. 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 ...

AMD Sempron Processor
The Sempron replaced the Duron as AMD's budget processor. The socket A Sempron is basically an Athlon XP with half the cache. The socket 754 Sempron is a cut down version of the Athlon 64 processor with half the cache. More ...

Intel Chipsets
The original 4.77 Mhz 8088-based IBM PC released in 1981 was built with over 100 discrete logic chips. To lower the cost of manufacturing, the logic was integrated into a couple of chips that were used together as a set. They became referred to as a chipset. 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 ...

Understanding Your Motherboard
Understanding your motherboard is about pointing out what the bits of your motherboard actually do, if you are not used to building or upgrading your own machine you will want to know the ins and outs of the motherboard. More ...

Understanding PC Data Buses
Physically, a "data bus" is the connection between the CPU and other devices on the PCs motherboard. A data connection can be "serial" or "parallel". The data bus used in first-generation PCs used 8-bit architecture. PCI Express uses switched serial connections. 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 ...

General Overview Of Motherboards
Everyone hears the term motherboard and wonders exactly what it is? The motherboard will contain connection points for your CPU (Central Processing Unit), Hard drive, RAM (Random Access Memory), Video Card, and Power Supply. More ...

Basic Computer Architecture
Computers today, even that PC on your desk are unbelievably complex. You can't understand computers without an understanding of the basics. In this article I explain basic computer architecture in simple, basic terms. More ...

CompTIA A+ 220-701 and 220-702 Cert Guide
CompTIA A+ Certification is widely recognized as the first certification you should receive in an IT career. The number one goal of this book is to help you pass the 2009 version of the CompTIA A+ Certification Exams and earn your CompTIA A+ Certification. More ...

The RS-232 Serial Port
The RS-232 serial port was used to connect a mouse, modem, and/or printer. The RS-232 serial port is now totally obsolete. I would be very surprised if you ever run into a PC with an RS-232 serial port except possibly in a third-world country. However, I'll briefly describe the it in this article because you may run into a question about it in the CompTIA A+ Certification Exam. More ...

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