hard disk

(redirected from magnetic disk)
Also found in: Dictionary, Thesaurus, Medical, Legal, Acronyms, Encyclopedia, Wikipedia.
Related to magnetic disk: floppy disk, hard disk, raid

hard disk

a data storage device in which data is stored on a magnetic disk embodied in a COMPUTER. Most hard disks can store large amounts of data, such as 20 megabytes of numbers or letters.
Mentioned in ?
References in periodicals archive ?
The cost of flash storage is reducing, but it is not reducing much faster than the reduction in storage costs for magnetic disk.
This is a one-pass function that provides full verification and unlike the erase pass on magnetic disks, the shred procedure on UDO media leaves no residual traces of previously written files.
S magnetic disk drive maker, with a manufacturing plant in South East Asia, currently is using an automated inspection system from Tamar Technology to inspect disk drive heads.
New magnetic disk products also can be configured in a hierarchical storage server.
Conventional magnetic disks store data in bits on the surface.
However, redundancy is not enough to protect critical data on magnetic disk.
Architectural enhancements including embedded disk arrays for eaching, tape SANs, WORM and virtualization provide large-capacity, automated libraries with the capability to meet new data retention requirements with end-user pricing ranging from one-fourth to less than one-twentieth the price per gigabyte of magnetic disk storage.
Per the study, magnetic disk and tape (digital) accounted for 92% of the total amount of data stored; film (non-digital) represented 7% of the total; with paper (non-digital) and optical (digital) media storing the remainder (www.
have now developed an experimental magnetic disk that points toward future storage disks that potentially could each hold 10 billion bits of information--the equivalent of 620,000 double-spaced typewritten pages.