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What allows you to delete files from hard drive disk, but you can't from a cd/dvd? (read for more info)

Last response: in Components
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January 19, 2014 4:11:00 PM

Like hard drive you can add and delete stuff, and it's a disk, but from a CD/DVD disk you can write, but you can't delete.
January 19, 2014 4:14:48 PM

Most CDs are Read only. So once it's been written to they can't be modified.
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January 19, 2014 4:17:40 PM

PedramCarter said:
Like hard drive you can add and delete stuff, and it's a disk, but from a CD/DVD disk you can write, but you can't delete.


you can with a cd/dvd/rw.

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January 19, 2014 4:19:16 PM

The difference is a hard drive stores data with tiny magnetic charges. These charges can be changed to reflect if data is stored at a particular point or not. CDs and DVDs have the data physically burned into them by a laser. In some cases, discs were made that can be re-written, but there is a very low limit on how many times you can do this. You can only burn holes in something so many times before it's destroyed.
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January 19, 2014 4:21:17 PM

JohnPMyers said:
The difference is a hard drive stores data with tiny magnetic charges. These charges can be changed to reflect if data is stored at a particular point or not. CDs and DVDs have the data physically burned into them by a laser. In some cases, discs were made that can be re-written, but there is a very low limit on how many times you can do this. You can only burn holes in something so many times before it's destroyed.


Exactly what I was looking for, I know dvd/cd can be r/w too, but this was the answer thanks.
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