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fixed-head disk memory

См. также в других словарях:

  • Memory storage density — is a measure of the quantity of information bits that can be stored on a given length of track, area of surface, or in a given volume of a computer storage medium. Generally, higher density is more desirable, for it allows greater volumes of data …   Wikipedia

  • Disk buffer — Not to be confused with page cache. The disk buffer sits on the controller board of the hard drive. In computer storage, disk buffer (often ambiguously[citation needed] called disk cache …   Wikipedia

  • Disk formatting — Formatting a hard drive using MS DOS Disk formatting is the process of preparing a hard disk drive or flexible disk medium for data storage. In some cases, the formatting operation may also create one or more new file systems. The formatting… …   Wikipedia

  • disk drive — noun computer hardware that holds and spins a magnetic or optical disk and reads and writes information on it • Syn: ↑disc drive, ↑hard drive, ↑Winchester drive • Topics: ↑computer science, ↑computing • Hypernyms: ↑ …   Useful english dictionary

  • Hard disk drive — Hard drive redirects here. For other uses, see Hard drive (disambiguation). Hard disk drive Mechanical interior of a modern hard disk drive Date invented 24 December 1954 [1] …   Wikipedia

  • Drum memory — of a Polish ZAM 41 computer Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM …   Wikipedia

  • Early IBM disk storage — The invention of magnetic disk storage, pioneered by IBM in the 1950s, was a critical component of the computer revolution. This article surveys the major IBM computer disk drives introduced in the 1950s, 1960s and early 1970s. The basic… …   Wikipedia

  • History of the floppy disk — 8 inch, 5¼ inch, and 3½ inch floppy disks Over the history of the floppy disk a number of different formats were used. Floppy disks have now been largely superseded by other storage media and by network file transfer. Contents …   Wikipedia

  • computer memory — memory (def. 11). * * * Introduction       device that is used to store data or programs (sequences of instructions) on a temporary or permanent basis for use in an electronic digital computer. Computers represent information in binary code,… …   Universalium

  • Racetrack memory — IBM Racetrack Memory is an experimental non volatile memory device under development at IBM s Almaden Research Center by a team led by Stuart Parkin. [ [http://www.almaden.ibm.com/spinaps/research/sd/?racetrack Spintronics Devices Research,… …   Wikipedia

  • Cylinder (disk drive) — A disk drive cylinder is a division of data in a disk drive, as used in the CHS addressing mode of a Fixed Block Architecture disk or the cylinder–head–record (CCHHR) addressing mode of a CKD disk. The concept is concentric, hollow, cylindrical… …   Wikipedia

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