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Basic PC Anatomy

CPU Sockets Roundup
For current and upcoming motherboards, the PGA package is being replaced by the LGA (Land Grid Array) package. With a LGA the pins are on the socket and they make contact with gold-plated copper pads on the processor. 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 ...

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 ...

VIA Chipsets
Via was founded in 1997. Via introduced the VP1 chipset to compete with Intel's 430 series. The VP1 offered support for EDO, BEDO and SDRAM as well as UltraDMA ahead of Intel. Today Via is one of the worlds largest chipset manufacturers. More ...

Basic PC Anatomy Inkjet Printers
There are two main inkjet technologies, thermal and piezo-electric. Thermal technology uses silicon wafer heating elements, Epson uses a proprietary piezo electric technology. 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 ...

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 ...

Anatomy of a Hard Drive
A hard drive contains a spinning metal disk. The surfaces of the disk have a magnetizable coating. An actuator arm with a read/write head on its end is passed over the surface of the spinning disk. 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 ...

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 ...

CompTIA Strata Study Guide
Because many jobs in the IT field don't require the in-depth knowledge required for CompTIA A+, CompTIA Network+ or CompTIA Security+ certification, CompTIA has developed the Strata certification. 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 ...

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