What is the Hard Disk or Hard Drive?
A hard disk is a disk magnet , and is the permanent storage facility of a computer . This information is contained programs and files , making it one of the most important parts of a computer. In this article, learn more to your computer and find that it is a hard disk .
This device contains coded digital information in discrete values of zeros and ones, to preserve this information are used magnetic disk surface , which are rotating at high speeds. It was called “hard” to establish a marked difference with the then widely used floppy disk or diskette . Although hard drives are currently measured, as their capacity in gigabytes (GB), a few decades its storage capacity was not large compared to the floppy.
Hard disks are still connected to the card mother . On the other hand, the hard disk is considered as the only element within a computer, which can be considered as mechanical and electronic.
Is said to be E , for preserving digital information using a magnetic surface for that and for having an electronic control circuit, which administers the correct operation, and mechanical, because generally has the following parts:
- Surface plates magnetic data recording.
- Head of reading and writing.
- Motor for rotation of dishes .
- Electromagnet for head movement.
- Dust shield and air filter .
As a Hard Disk is a mass storage unit , there are certain concepts that were developed to refer to certain areas of the disk: Read more »
