There are several. The Hard Drive is probably the most robust as it does the majority of storage of data. Any internally installed plate based drive uses magnets as opposed to laser to read and write data (laser read/write drives are CD, DVD, Blu-Ray).
In addition, the computers memory card functions as a short term hard drive though I think these are not magnet based, ie putting a memory card up to a magnet will not delete all of the data.
Giant magneto resistance is used to write to the HDD
The Hard Disk drive.
Permanent storage device such as a hard drive.
Its called your hard drive.
Temporary storage in a computer is designated as RAM (Random Access Memory), and gets reset every time the computer is shut down; unlike permanent storage (Harddrives, Flash Drives). RAM allows a computer to run programs without bogging down the harddrive, which is much slower by comparison.
permanent magnet
It is called ferromagnitisum .
electro magnetic feilds
Permanent or Secondary storage - such as a hard drive, CD, DVD, or USB drive
The definition of computer storage is a data storage that is often called storage of memory refer to computer components and recordings media that retains digital data used.
a permanent magnet
Permanent magnets
a permanent magnet
If you own the computer then you could copy it to your hard drive(normally drive C:) or if you dont own the computer you could save it to your acct on the computer.