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Cd Roms - School Essays

Cd Roms


CD:ROM drives are the thing of the future. CD:ROMs are used in almost every computer around the world.
CD:ROM stands for COMPACT DISK READ ONLY MEMORY. That means that you can only read information off the disk. Three and a half disks are disks that you can read and wriye infromation from. Five and a quarter can do the same thing , but do not hold as much information. Five and a quarter disketts are very old. they stopped making those a while ago. In the ninteen ninty's they are totally outdated becaus of the lack of space they have and the lack of speed.
A CD:ROM can hold more information than both of them put together. CD:ROMs hold up to four hundred megabytes of information. That is ...

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A CD:ROM looks like a music compact disk , but they are not that much alike. First a CD:ROM has a lot more information than a regular compact disk. A CD:ROM has audio as well as visual information. Second a CD:ROM stores more data in it. Third if you put a CD:ROM in a compact disk player the compact disk player would just sit there and act stupid. If you put a compact disk in a CD:ROM drive it would play the compact disk you put in it because the CD:ROM drive is taught to do that also. Fourth to record music onto a compact disk you would have to buy the equipment. The equipment for that operation would cost around two thousand dollars just for the cheapest one. That does not include the compact disks you need to record on. Those compact disks cost around eighteen dollars for a basic one length recording disk. If you want to go and record infofmation on a CD:ROM it wold be much more expensive. The only only people who do these kind of things are ...

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it. The grooves are the CD:ROM's own language. Whenever the laser is shot on to the disk it sends a small amount of voltage. The voltage is in the infra-red light that carries the information back to the laser eye. When it goes back into the laser eye it gets transferred back inside the computer where it is brought on to the moniter screen. Next there is the motor. The motor makes the CD:ROM spin at the the different speeds it has. The CD:ROM drive has many different speeds. the speeds vary on which CD:ROM drive you choose to get. After that there is a arm that picks up the CD:ROM. The arm picks it up and puts it on the motor.
CD:ROM drives come in many styles , sizes , shapes , colors , ...

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PAPER DETAILS
Added: 12/16/2008 01:41:58 PM
Category: Science & Nature
Type: Premium Paper
Words: 1257
Pages: 5

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