A type of storage that uses a magnet to make a magnetised segment
on a disk platter.
Includes hard disk drives
and the outdated floppy disk
Hard disk drives feature in most modern computers as they offer a lot of storage at a cheap
price and are relatively fast.
A type of storage that uses lasers
to burn marks in a reflective disc
There are three types: CD-ROM
and Blu-Ray ROM
Often used whenever something cheap to produce and portable is needed. Also, most people
have access to the equipment to read the discs.
A type of storage that uses electricity
to open and close gates on a circuit board
Includes USB memory sticks
, SD cards
and solid state drives
Very fast, portable and not affected by moving parts. This technology is slowly overtaking the
storage world as it becomes cheaper and cheaper