. => Primary Storage – is a computer memory that
connects directly to the central processing unit of CPU. It is also known as
RAM or random access memory. This storage do not permanently stores data
because this is a volatile kind of storage.
=> Secondary storage – this may refer to storage that is non-volatile. Some
examples of this storage are hard drive, CD/DVD, Flash drive, etc
=> offline storage – also known as tertiary storage. This is not a very
known storage, this includes jukeboxes and tape libraries.