What are the different kinds of CDs?

Hi,

Your question kind of sounds like homework, but here I go!

CD-ROM: Known as a read-only disc, usually used to store commercial programs and data. You can’t add or delete information on a CD-ROM. Capacity is 650 megabytes (MB). Highly compatible with most computers and devices.

CD-R You can burn files to a CD-R more than once (each time is referred to as a session), but you can’t delete files from the disc. Each burn is permanent. Capacity is 650 MB and 700 MB. You must close the session to read this disc in a different computer. Highly compatible with most computers and devices.

CD-RW You can burn files to a CD-RW more than once. You can also delete unwanted files from the disc to reclaim space and add additional files. A CD-RW can be burned and erased many times. Capacity is 650 MB. Compatible with many computers and devices.

DVD-ROM Known as a read-only disc, usually used to store commercial programs and data. You can’t add or delete information on a DVD-ROM. Capacity is 4.7G. Highly compatible with most devices.

DVD-R You can burn files to a DVD-R more than once (each time is referred to as a session), but you can’t delete files from the disc. Each burn is permanent. Capacity is 4.7 Gig, highly compatible.

DVD+R You can burn files to a DVD+R more than once (each time is referred to as a session), but you can’t delete files from the disc. Each burn is permanent. Capacity is 4.7G. You must close the session to read this disc in a different computer. Compatible with many computers and devices.

DVD-RW You can burn files to a DVD-RW more than once (each time is referred to as a session). You can also delete unwanted files from the disc to reclaim space and add additional files. A DVD-RW can be burned and erased many times. Capacity is 4.7G. You don’t need to close the session to read this disc in another computer. Compatible with many computers and devices.

DVD+RW You can burn files to a DVD+RW more than once (each time is referred to as a session). You can also delete unwanted files from the disc to reclaim space and add additional files. A DVD+RW can be burned and erased many times. Capacity is 4.7 G.