How CD-Burners Work
Before the invention of the CD-Recordable Drive, also known as a CD-Burner, people had one way to listen to their favorite music; go out and buy the CD. In the year 2000, the first, and probably the most influential file-sharing program today, was introduced to the world; Napster. Napster is a program which enabled multiple users to connect to each other and share MP3 formatted songs through an online server. In its first month, Napster averaged 2,500,000 users online every day, all day, sharing approximately 3,500,000 GB of files. With the creation of Napster, sales of CD burners and blank CD-Recordable disks (CD-Rs) skyrocketed for the simple reason that people would download their favorite music and copy them to a CD-R. In less then 3 years, CD-burners have captured the media-based world of technology, and have been an essential part of the average computer system today. However, the technology behind this great invention is not widely understood by the common customer. The average person simply places a black CD-recordable disc into the drive, selects the information he would like stored on it and with a simple click of a button, the information is encoded to the CD in about 10 minutes. Exactly what goes on during this
The main advantages of CD-R discs are that they work in almost all CD players and CD-ROMS, and also that they are relatively inexpensive. However the main disadvantage to CD-Rs is that you cannot reuse them. In the mid '90s, electronics manufacturers introduced a new CD format that addressed this problem. CD-Rewritable’s, or CD-RWs. CD-RWs had the technology which enabled computer users to burn data onto the CD, erase that data, and re-write back onto the CD. These discs are based on phase-change technology and have an erase function. To understand the phase-change technology is an extremely difficult concept. The erase function however falls in between the read laser and write laser. By itself it is not strong enough to write data onto a disk however it is powerful enough to erase the encoded 0s on a disc, which clears the disk so new data can be written. Nevertheless, CD-RWs have their weaknesses. Not only does the process of erasing and rewriting take a long time, CD-RWs are not compatible with most CD players, and are almost triple the price of CD-Rs. For the most part, CD-RWs are recommended as back-up storage devices for computer files. CD-recordable discs open new doors to the idea of storage mediums. Computer users would be able to store data ranging from 640 to 700 MB. Unlike regular compact discs, CD-Rs don't have any bumps or flat areas at all. Instead, they have a smooth reflective metal layer, which rests on top of a layer of photosensitive dye. When the disc is blank, the dye is trans
Some topics in this essay:
Disc CD,
CD-burner CD,
Napster Napster,
CD-RWs CD-RWs,
MB Unlike,
CD-Rs CD-RWs,
CD-R CD-recordable,
Drive CD-Burner,
Nevertheless CD-RWs,
cd player,
60 minutes,
1s 0s,
phase-change technology,
computer users,
laser assembly,
record 60 minutes,
record 60,
electronics manufacturers,
conventional cds,
bumps flat,
electronics manufacturers introduced,
,
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Approximate Word count = 1027
Approximate Pages = 4 (250 words per page double spaced)
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