Also known as: hd.
HD has various meanings in the Computer Hardware category. Discover the full forms, definitions, and usage contexts of HD in Computer Hardware.
When you save data or install programs on your computer, the information is typically written to your hard disk. The hard disk is a spindle of magnetic disks, called platters, that record and store information. Because the data is stored magnetically, information recorded to the hard disk remains intact after you turn your computer off.
Computer HardwareLast updated: