Yes. A DVD can store more pics and video than a USB and is recommended for all computer users.
Backing up photos and DSiWare and storing music files to be played on the system.
Ripping.
File server
How many files do you have? What kind? Are you storing movies on your hard drive?
An external hard drive should be able to be used with any files.
When you delete your data off of a hard drive such as photos or file, they are not actually deleted from the hard drive. The hard drive marks the space where those files were stored as available or free and new data can overwrite your deleted photos or files. There is a tool called Nice To Recover for MacOS which you are able to download and it will help to restore those deleted files or folders.
If your taking about installing an OS, you will definitely need hard drive. But for storing files, you can always use Removable Devices, USB Flash Drive or CD-Rs.
The System32 directory on a Windows system is a place for storing files. The System32 directory is located in the C drive.
The recovery image should not be altered by storing files on the partition holding the file. It's a safety device in case something happens to the main partition holding Windows. Altering or storing files to the recovery partition - may make rescuing the hard-drive impossible.
There are a variety of methods for storing computer files. Cloud storage is the most prominent at the moment and achieves the aim if saving valued files completely off site.
Yes, floppy drives are a thing of the past, they are small and easily corrupted.
Storing large files which will not be used very often.