hard disk
A 'hard disk' is an essential component in computers for storing data permanently, even when the power is off.
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Definition
B2Computer Hardware
(technical)A non-volatile storage device that stores and retrieves digital information using spinning disks and magnetic heads.
Example
- The hard disk in my computer has a capacity of 1 terabyte.
B2General Computing
(technical)A device in a computer that holds data, applications, and the operating system permanently.
Example
- Make sure to back up your files on an external hard disk.
Similar
Terms that have similar or relatively close meanings to "hard disk":