HDD

HDD is a magnetic disk on which you can store computer data. The term hard is used to distinguish it from a soft, or floppy, disk. Hard disks hold more data and are faster than floppy disks. A hard disk, for example, can store anywhere from 10 to more than 100 gigabytes, whereas most floppies have a maximum storage capacity of 1.4 megabytes.

A single hard disk usually consists of several platters. Each platter requires two read/write heads, one for each side. All the read/write heads are attached to a single access arm so that they cannot move independently. Each platter has the same number of tracks, and a track location that cuts across all platters is called a cylinder. For example, a typical 84 megabyte hard disk for a PC might have two platters (four sides) and 1,053 cylinders.

In general, hard disks are less portable than CD/DVD, although it is possible to purchase external hard disks.

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Term of the Day

Backup Software Glossary

Current glossary explains various terms that you may come across while working with Handy Backup or other backup software.

Handy Backup is a backup utility for Windows Servers and PCs that is famous for its flexibility and ease of use.

The glossary contains 176 terms. The current section Storage Media contains 36 terms.

Other “Storage Media” Terms

  • Smart Media
    “Designed for use with digital still cameras, PDA's, MP3 players and other electronic products that use SmartMediaT cards as standard or extended data...”
  • Compactflash
    “The Memory Stick Duo, which is slightly smaller than the competing Secure Digital format, was developed in response to Sony's need for a smaller...”
  • Secure Digital
    “Supported by the SD Card Association (SDA), this compact type of memory card allows for fast data transfer and has built-in security functions to...”

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