Hard disk drive
Videos
A hard disk drive, hard disk, hard drive, or fixed disk is an electro-mechanical computer data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapid
A partially disassembled IBM 350 hard disk drive (RAMAC)
Hitachi 500GB 3.5" drive, 2011, opened to show the disk platters and read/write arm
A 3.5" and a 2.5" HDD with front covers removed to show their internals
Recording of single magnetisations of bits on a 200 MB HDD-platter (recording made visible using CMOS-MagView)
Computer data storage
Videos
Computer data storage or digital data storage is the retention of digital data via technology consisting of computer components and recording media. Digital data storage is a core function and fundame
Hard disk drive
…A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical computer data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating platters coated with magnetic material…
1 GiB of SDRAM mounted in a computer. An example of primary storage.
15 GB PATA hard disk drive (HDD) from 1999. When connected to a computer it serves as secondary storage.
A large tape library, with tape cartridges placed on shelves in the front, and a robotic arm moving in the back. The visible height of the library is about 180 cm.
A 1 GiB module of laptop DDR2 RAM