No
no
On the flat sideds
Perminant magnet
The hard disk is a device which attached in a CPU where data , program ,and folder are being stored .
Reformatting a hard disc will wipe the contents from the hard disc. You will need to backup the contents of the hard disc onto an external disc before reformatting and then copy the contents back to return it to the newly reformatted disc.
A floppy disc use a magnetic pattern to store data, and loudspeakers are usually based around a (strong) magnet. The magnet can upset the magnetic pattern, making the data unreadable.
no
The Disc Doctor program is used to clean up and free space on a personal computer's hard disc. It also tells the user how much free space they have on the hard disc.
The external haedisc is actually spelled external hard disc. An external hard disc allows an individual to hook it to their computer or information source and save the information that is important on the external hard disc drive and not risk loosing any if something happens to the main hard disc source.
its not hard enough
Yes. A powerful magnet is capable of wiping the entire hard drive.
Computer is not magnet.You cannot you it like a magnet. You may have read it from some non real source.See the only place where magnet is is the hard drive or hard disk.and you can only take it out when you break your hard disk.