It's a hard disc drive.
The definition of computer storage is a data storage that is often called storage of memory refer to computer components and recordings media that retains digital data used.
printer
flash drive
storage device
Removable storage media refers to CD's, DVD's, Floppy discs, USB drives. Non-removeable storage media refers to RAM, and Hard Drives. So where the storage media's are found depends upon which you are 'talking' about; but generally non-removable inside the computer, removable outside of the computer.
hard disc drive
it is the primary storage unit of a computer
They hold stuff until you need it later. Computer storage devices are machines that read stored data from storage media such as CDs.
Magnetic storage media are items like floppy and hard disk drives. They are based on magnetic transfer of data between the heads and the computer.
ambient
a storagemediumthe physical material on which a computerkeepsdata, a storage device is the computer hardware that records and / or retrieves items to and from storagemedia
The most common type of computer file storage is Hard Disk , it is in built with computer . External Storage is Like CD , DVD , Pen Drive , Floppy Drive .