Disk-drive performance characteristics — are the attributes which control the time it takes to transfer (read or write) data between a computer and a data storage device (most typically disk storage) starting with the initial command from the computer or host until the storage device… … Wikipedia
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
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
Disk storage — or disc storage is a general category of storage mechanisms, in which data are digitally recorded by various electronic, magnetic, optical, or mechanical methods on a surface layer deposited of one or more planar, round and rotating disks (or… … Wikipedia
Disk II — drives. The Disk II Floppy Disk Subsystem was a 5¼ inch floppy disk drive designed by Steve Wozniak and manufactured by Apple Computer. It was first introduced in 1978 at a retail price of US$495 for pre order; it was later sold for $595… … 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 sector — Figure 1. Disk structures: (A) Track (B) Geometrical sector (C) Track sector (D) Cluster In computer disk storage, a sector is a subdivision of a track on a magnetic disk or optical disc. Each sector stores a fixed amount of user 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
Drive Letter Access — Developer(s) Sonic Solutions Stable release 5.21 build 01C / April 30, 2008 Operating system Windows Type optical disc authoring softwar … Wikipedia
Drive Image (software) — Drive Image Development status discontinued Operating system Microsoft Windows Drive Image (PQDI) is a software disk cloning package for Intel based computers. The software was developed and distributed by the former PowerQuest Corporation. Drive … Wikipedia
