On a CD-R, if you don't finalize or write protect the disk, can you overwrite a file?
Or in overwriting are you simply creating a second file of the same name in the TOC/directory and deleting the name, only, of the first file
You can add more data if there is space on the DVD+R, but you can't overwrite it. You see, when a disc is burned, little microscopic ridges are put onto the disc. This is your data.
You cannot overwrite this data.
It's kind of like trying to use a permanent marker on the same spot of paper twice.
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.
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.
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.
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.
4.7 gigabytes (GB)
Highly compatible with most computers and 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.
4.7 GB
You must close the session to read this disc in a different computer. Highly compatible with most computers and 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.
4.7 GB
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.
4.7 GB
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.
4.7 GB
You don't need to close the session to read this disc in another computer. Compatible with many computers and devices.
DVD-RAM
You can burn files to a DVD-RAM more than once. You can also delete unwanted files from the disc to reclaim space and add additional files. A DVD-RAM can be burned and erased many times.
2.6 GB
4.7 GB
5.2 GB
9.4 GB
DVD-RAM discs can generally only be used DVD-RAM drives and might not be readable by DVD players and other devices.
hope this helps
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