Memory and Storage

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Storage Devices & Media

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Back-Up Copies

Just in case something goes wrong and data is deleted or spoiled in some way, it is necessary and useful to have back-up copies the data. Most copies are done on floppy disks, but this is not a good choice because they do not store large amounts of data. Today we may use jaz drives or zip drives, but these do not store as much as magnetic tape.

Making back-ups are very important. Backing storage is non-volatile and is always available when we require data and software. Backing storage is normally a hard disk. However, it ...

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