There are micro craters that a laser "reads"
CD and DVD storage technologies are typically classified as computer data storage. They can also be referred to as external storage.
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CD Roms can only Read CD's such as VCD, Audio CD, mp3 CD.DVD Roms can read any CD's such as VCD, Audio CD, mp3 CD and also read DVD's such as DVD Video, DVD Audio & DVD mp3's.
yes every DVD player can read CD ... therefore you can watch cd on a DVD player
Yes it can
CD's and DVD's are not magnetic. They are optical storage devices that are read with LASER beams.
Typically a drive marked as being a 'CD' or a 'CD RW' drive, will not be able to read a DVD. You will need one marked as being at least a 'DVD' drive, which will be able to read DVDs and CDs too.
Nope... the data on a DVD-ROM is packed much tighter. A CD-ROM cannot read DVD's but a DVD-ROM can read CD's
A CD drive is an optical drive (a piece of hardware that reads Compact Discs). A DVD drive is an optical drive (a piece of hardware that reads DVD Discs). There are lots of optical drives that can read both DVDs and CDs, some can even 'burn' information onto blank discs. ___________________ From: TheAllKnowingEye
True
Your drive is probably a CD-R(W)/DVD-ROM drive. These are not capable of writing DVDs, but only reading them.
A CD ROM drive cannot read a DVD. So it is not possible to use a CD ROM as a DVD ROM. A DVD ROM drive can work with a CD though.