Power and Your PC
The power coming into a computer is the most critical component, and it may be one of the most overlooked. It is just taken for granted that it will always be there and working properly. More ...
Hard Disc Fundamentals
This article describes the main technical fundamentals of Hard Disc Drive and its operation. I focus my attraction on the particular perspective of describing Physical and Logical view of HDD. This article also brings out the technology wise company working on this hard disc drives and this related technology. More ...
Motherboard Basics
A motherboard, also known as a main board, is the primary circuit board inside of a computer, and is where the central processing unit (CPU), memory, expansion slots, drives, and other peripheral devices are connected. More ...
Power Supply Form Factors
The shape and physical layout of a power supply is called its 'form factor'. Power supplies come in several industry standard form factors. Power supplies with the same form factor are physically interchangeable. More ...
What is USB OTG?
USB is wonderful because it allows you to connect and disconnect devices from the computer without rebooting the computer. However, wouldn't it be even more wonderful if two USB devices, like a digital camera and a storage device could connect to each other directly? That's what USB On-The-Go (OTG) does. 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 ...
How is Data Written, Stored On, and Erased From Hard Disks?
Inside your hard disk is a stack of one or more optically perfect platters where data is stored magnetically. When the drive is originally formatted, it is laid out in a pattern of concentric circles (cylinders) and wedges (sectors). More ...
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 ...
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 Hard Disk Drive vs. The Solid State Disk
Much has been written about solid state disks (SSDs) becoming the next big thing1 in the IT industry. But as to whether or not we have enough knowledge of how it will revolutionize the industry is a different question. How much do we really know about SSDs? More ...
PC Motherboard Expansion Cards
The expansion slots available on motherboards allow for a variety of upgrades in a computer system, but matching the appropriate card to an available slot needs to be addressed before making any purchasing decisions. The most common types of expansion cards for modern computer systems can be broken down into three formats: PCI, AGP, and PCI Express. 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 ...
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 ...
Motherboard Form Factors
The "form factor" of a motherboard defines its dimensions. Make sure that the computer case that you purchase can accommodate the motherboard. It is also wise to select a motherboard with a commonly available form factor in case you need to replace it. Article updated with more information. More ...
