a rigid non-removable magnetic disk with a large data storage capacity.
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Definition of hard disk
hard disknoun
(tin học) ổ cứng
/ˈhɑːd dɪsk/
The term "hard disk" arose from its contrast with "floppy disks," which were made of flexible, magnetic material. The term "hard" refers to the rigid, non-flexible nature of the platters used in hard drives. The first hard drives, introduced in the 1950s, were bulky and expensive, but offered significantly more storage capacity than floppy disks. The "disk" part refers to the circular, platter-like shape of the storage medium.
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