What Does HDD Stand for When Referring to Computers?

What Does HDD Stand for When Referring to Computers?

"HDD" is an abbreviation for "hard disk drive" when it is used in reference to computers. A hard disk drive is mechanical, magnetic device that is used as a primary internal storage device in computers. As of 2014, this component has been part of most computers for over 25 years.

An HDD stores data using a random-access method, allowing data blocks to be stored at any order. As of 2014, a typical HDD design includes one or more rotating disks that is fitted with a magnetic head and placed over an actuator arm that writes and reads data. The first HDD was developed and introduced by IBM in 1956.