Hard disk
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A hard diskhard drive or is one component of a modern computer. It is the physical device that holds data on a permanent basis, also known as "secondary storage."
A hard disk should not be confused with a 3.5" floppy disk - although "hard disk" sounds like a description of the plastic-covered disk, "floppy disk" is a more accurate description.
Examples in conversation
- When a user "saves a document to the desktop" they have open, typically they are saving their work to a hard disk.
- When you first start your computer, the operating system that starts after a few seconds boots from the hard drive.