No, but there are strong magnets inside the Hard Drive, but they are not electromangets.
Video - HDD Magnets:
http://www.metacafe.com/watch/375515/strong_magnet_in_your_hard_disk/
I do not know if they use electro magnets, but I do know that the hard drive uses a magnet. But do not place another magnet near it, it could damage your hard drive!
In your computer, the fans.
Electromagnetism is used in electric motors, computer hard drives (and other magnetic storage media), junkyard electromagnets, televisions, particle accelerators, MRIs, and many other devices.
Electromagnets
Electromagnets do not affect glue.
You can turn electromagnets on and off.
You can turn electromagnets on and off.
Yes, food processors do have electromagnets.
All electromagnets are magnetic when they are turned on.
Inside of electric motors are electromagnets and permanent magnets. In a metal junk yard large electromagnets are used to pick up metal. In MRI's large electromagnets are used for imaging.
The electromagnets that are used in junkyards are called just that, electromagnets. They are used to sort out different types of metals.
no there is no use of electromagnets in iron box
Electromagnets on the track repel electromagnets on the bottom of the train.