Understanding the Software Layers of a Computer
You select File | Print in the menu and the printer comes to life, feeding out a copy of your document on paper. It seems like a simple process, but in reality your request passed through many layers of software before reaching your printer. More ...
ABC's Of DVD Drive Abbreviations
The number of different formats available in DVD drives can be confusing to anyone. A few of the common formats are DVD-ROM, DVD-R, DVD-RW, DVD+R, DVD+RW, DVD-RAM ,DVD+R DL and DVD±RW. In This article we take a look at the more common formats of DVD drives in order to shed some light on all the choices available. More ...
How Does the CPU Cache Work?
CPU's however use a 2 level cache system. The principles are the same. The level 1 cache is the fastest and smallest memory, level 2 cache is larger and slightly slower but still smaller and faster than the main memory. 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 ...
Wireless USB
USB requires peripherals to be connected to the PC with cables. Some PC users feel they can be more productive if they could get rid of those cables. This has resulted in the introduction of several short range wireless connection technologies. 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 ...
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 ...
All About Your Computer's BIOS
Are you confused by the computer BIOS? The BIOS is a fundamental component of any PC and if you really want to get into the guys of a computer, it?s good through understanding what BIOS Is all about. 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 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 ...
IEEE 1284 Parallel Port
The parallel port was primarily used to connect a printer to a PC. Today, the parallel port is obsolete, being replaced by the USB port. Although now obsolete, millions of parallel port printers were manufactured and no doubt many of them are still in use today. 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 ...
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 ...
What You Need To Know About Server Memory
DDR is Double Data Rate which is what all memory is now. Since DDR came out it's gone through a few generations DDR, DDR2, DDR3 and now DDR4. These different generations of memory have different peak transfer rates. More ...
The PC (PCMCIA) Card
The PC card, technically called the PCMCIA Card is a form factor of a peripheral interface designed for laptop computers. It was originally designed for computer memory expansion. More ...
