Storage devices are pieces of hardware which allow us to store information.
Backing stores hold data outside the central processing unit in some kind of storage medium.
There are three main groups of storage devices:
Magnetic storage stores data magnetically. A disk drive spins the disk at high speed and reads its data or writes new data onto it. Floppy disks, hard disks
Optical storage use a laser beam to read and write data, CDs, DVDs
Flash memories - data is stored in several floating gate transistors, called cells. USB flash drives, flash memory cards
© Střední průmyslová škola elektrotechniky a informatiky, Ostrava, příspěvková organizace