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In computing, a removable media is a data storage media that is designed to be readily inserted and removed from a system. [1] Most early removable media, ...
The IBM 2315 disk cartridge stored 1 megabyte of data. An early disk cartridge was a single hard disk platter encased in a protective plastic shell. When the removable cartridge was inserted into the cartridge drive peripheral device, the read/write heads of the drive could access the magnetic data storage surface of the platter through holes in the shell.
Tertiary storage or tertiary memory [7] is a level below secondary storage. Typically, it involves a robotic mechanism which will mount (insert) and dismount removable mass storage media into a storage device according to the system's demands; such data are often copied to secondary storage before use. It is primarily used for archiving rarely ...
Blu-ray storage capacity is up to 50 gigabytes (or even 100 GB) of data. [12] The Blu-ray Disc (BD) is a digital optical disc format. It was originally created to take the place of the DVD format due to its expanded storage capacity. The name "Blu-ray" is derived from the use of a blue laser that is used to read the disc.
A flash drive (also thumb drive, memory stick, and pen drive/pendrive) [1] [note 1] is a data storage device that includes flash memory with an integrated USB interface. A typical USB drive is removable, rewritable, and smaller than an optical disc, and usually weighs less than 30 g (1 oz).
Removable disk packs. In 1964, Burroughs introduced the B-475 disk drive, with a head per track, as part of the B5500. Burroughs B-475 Disk Drive (circled) In 1970, IBM introduced the 2305 disk drive, with a head per track. In June it introduce the 3330 Direct Access Storage Facility, code-named Merlin. Its removable disk packs could hold 100 MB.
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