what does disk do on a computer
The hard disk drive is the main, and usually largest, data storage hardware device in a computer. The operating system, software titles, and most other files are stored in the hard disk drive. HDD (abbreviation), hard drive, hard disk, fixed drive, fixed disk, fixed disk drive. The hard drive is sometimes referred to as the C drive due to the fact that Microsoft Windows designates the C drive letter to the primary partition on the primary hard drive in a computer by default.