DDR RAM by Ken Marlborough
The DDR SDRAM or double-data-rate synchronous dynamic random access memory, offers greater bandwidth than ordinary SDRAM. It is a type of memory-integrated circuit used in computers that transfers data on both the rising and falling edges of the clock signal. ... For example, if data is transferred 8 bytes at a time the DDR RAM transfer rate could be calculated as (memory bus clock rate) × 2 (for dual rate) × 8 (number of bytes transferred). ... This means with a bus frequency of 100 MHz, DDR-SDRAM gives a maximum transfer rate of 1600 MB/s.

Firewire Hard Disks by David Stone
Firewire is a technogy for transferring data between computers or their periphial devices like external hard disk drives. In the early 1990's Apple developed the technology that became Firewire. Its technical name is IEEE 1394, and there are a few updates that have improved transfer rates. ... Firewire is now a very fast transfer rate that has had a couple of updates since its emergence. ... USB was the closest competitor and it only claimed data transfer rates of about 12 Mb/s. ... Hard disks' failure rate goes up extensively when they are filled with data beyond 70% of their capacity.

Standalone CD-ROM Copiers by Kent Pinkerton
The operational details of stand-alone CD-ROM copiers are similar to those of automatic CD copiers. The only difference between the two is the difference between the CD and the CD-ROM. CD-ROM means CD-Read Only Memory (ROM). No additional data can be written on these CDs once they are recorded. ... The CD-ROM drives are rated with a speed factor relative to music CDs: 1x or 1-speed provides a data transfer rate of 150 kilobytes per second in the most common data format. ... For example, an 8x CD-ROM data transfer rate would be 1.2 megabytes per second.

USB 2.0 Vs. Firewire is Like Despotism Vs. The American Way by Cameron Postelwait
USB 2.0-ism Is Like Despotism USB (Universal Serial Bus) was designed after the ruling style of David Bowie, the famous 6th century Saxon Despot. His empire was vast, and he subdued his captors with hits like Ziggy Stardust and Blue Jean . His famous demise characterized him as the man who... This of course is a theoretical transfer rate because USB's tyrannical system of being in charge of controlling data is just plain inefficient (sorry folks, not getting anymore technical than that), making data transfer rates quite inconsistent.

Choosing a Tape Drive by Linus Chang
Tape drives remain the leading technology used by organizations for backup and archiving. However, the plethora of tape drives on the market can make choosing the appropriate tape drive a confusing task. How do you select a tape drive that satisfies your needs without blowing the budget? ... Transfer rate The transfer rate of the tape drive is becomes important when there is limited "window of opportunity" in which backup jobs may run. ... Secondly, if data is being transferred over a network of computers to a backup server, the network may be incapable of supplying data at a sufficient...

Guide to Buying Hard Drives by Andrew Gates
Apart from being one of the most essential parts of your computer, hard drive storage is constantly updating, in terms of both capacity of disk space and in physical size. When it comes time to upgrade your disk storage, there are a number of factors for you to take into account. ... The External Transfer Rate (sometimes called the Transfer Rate or the Burst Transfer Rate) is a measure of the time it takes to send the data from the cache all the way to the computer's memory. ... The effectiveness of your hard drive (its performance) depends on how much of its capacity remains unused, how...

Difference Between .mp3 and .Wav by Tolga Ulucay
MP3s are good files to use for the uploading of your audio discs. These compressed files are small in comparison to WAV files, thus making them ideal for uploading, please note however the MP3s are ½ the sample rate of CD quality. The audio reproduced from an MP3 file is difficult for the... It is lossy data compression; meaning "insignificant" data is removed thereby decreasing the file size to approximately 1/7th of the original file size. ... Also, depending on the quality of the conversion, and bit-rate and sample-rate used, sometimes a noticeable "phaser" effect is introduced.

Iggy Discovers USB Networking by Iggy Quazi
My new laptop is fantastic, with it's nice new squeaky-clean operating system it runs like a dream. But it wasn't long before I had to face the technical challenge of getting all my old data from my old desktop computer (which was bursting at the seams with data!) onto my new laptop. ... - Both my new laptop and my old computer have CD ROM drives, to get all my data over using CD's I would need about 30 disks as well as some software to package all the data up nice and tidily across the 30 disks, viable but a lot of work and time needed.

5 Facts You Need To Know About SD Cards And How To Get The Best Of Them by Ron Heller
Most of us who are into technology in some way have already heard of the SD memory card. Where SD stands for Secured Data, these tiny cards are a very popular item now days with everyone who is dealing with PDA's, electronic cameras, notebook computers and the like. ... Fast data transfer rate - these SD memory cards are a lot faster in terms of transferring data than that old CD. ... Most SD memory cards have the ability to transfer data at a rate that is 15 times faster than a standard CD-Rom.

USB: Computer Connectivity Colossus by Nathan Kartchner
USB has become the Colossus of computer connectivity, standing astride the world of computing accessories and peripherals with the self-confident ease of a standard that has triumphed over its opponents. Parallel and serial protocols are virtual dinosaurs, being phased out almost universally by... Firewire, on the other hand, has a consistent 400mbps transfer rate, making it ideal to transfer large files or data streams such as audio and video. ... Though Firewire has a max transfer speed of 400 mbps (80 mbps slower than the USB 2.0 standard), when it comes to transferring large quantities...