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CD Terminology
Below, you'll find the most common terminology that relates to CD duplication. Even if you are new to duplication, the terms below may help you learn more.
BLER
Block Error Rate. This is the raw digital error rate before any type of error correction.
CD
This the Compact Disc, a digital medium that's formed of a 12cm polycarbonate substrate, a reflective metalized layer, and a protective lacquer coating.
CD-R
Compact Disc-Recordable. The term CD-R is used to describe the technology of recordable CD along with the equipment, software, and media that are used to make the recordable disks.
Data layer
With CD-R media, this is the organic dye that is sandwiched between the polycarbonate substrate and the metalized reflective layer of the media. CD-R disks don't have any data on them at all until the are recorded.
Injection Molding
This is a manufacturing method where the molten material is forced into a mold, normally under high pressure, then cooled so that the material will take on the shape of a mirror image in the mold.
Media or blanks
CD-R media are the disks that are used to record digital information using a special recorder and premastering software with a computer. These discs are made of a polycarbonate substrate, a layer of organic dye, a metalized reflective layer, and a coating of lacquer for protection.
Organic dye
The data layer of CD-R media is made from a dye that is melted during the process of recording. Where the dye is melted, becomes opaque or refractive, scattering the reading laser so that it isn't reflected back into the reading sensors.
Reflective layer
This is the metal later that sits on top of the dye that reflects the laser beam back to the reading assembly. This is normally 24k gold in CD-R disks, although it can be silver as well.
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The LTO-3 ultrium technology is backward compatible with previous versions so the users of ultrium-3 can access the LTO-1 and LTO-2 archives. Therefore, the investment made by the enterprise is secured for the future. Maxell ultrium-3 cartridge can be used in all the LTO tape drives of third generation.
Installing a new hard drive is a pretty simple task and the actual install only takes a few minutes to complete. The first thing to be done in this process is purchase the new hard drive and make sure that it is compatible with your system this can be done by consulting your motherboard manual and your operating systems guidelines on what hard drives are compatible.
Computers play a huge role in educating today's generation. With the necessity of knowing how word processors, internet connectivity, and other software applications work, it is almost a requirement for each student to have their own computer at home.
Buying a computer is not an easy decision. There are a lot of factors to consider other than just the price. You have to consider your needs, the specifications of the computer, aesthetics, and a whole lot more. And when you do get to finally decide on a computer, other decisions come into play, such as picking the best computer accessories.
However, as technology advances, the prices for these smaller and more powerful electronic devices drop. While the prices have not fallen significantly enough for the devices to be considered disposable, within time they just may.
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