Storage Device:
Those memory devices where we can store data and the data remains in it even without electricity are called storage devices. Along with various programs and system software, user can also keep, delete, move, update the data in storage devices, while this can not be done in memory devices by the user.
Storage devices are very important, along with the need storage for our data, the system software needs to store it's necessary file and configuration even when the computer has no electricity.
There are primarily 2 types of storage devices; one of those are Magnetic Storage Devices.