Hard Drive (HDD)

Written By IMAGINATION on Senin, 15 Agustus 2011 | 18.17

Hard drive can also be called the Hard drive (HDD) or hard drive (HD), Hard Drive is a one of computer hardware that serves as a secondary data storage, in the hard disk containing a magnetic disc. Hard drive was first invented by one of IBM engineers, he was Reynold Johnson in 1956. Hard drive is also known by the name of the hard disk was first consisted of 50 plate measuring 2 feet or 0.6 meters, with a rotation speed reaches 1200 rpm (rotation per minute) with a storage capacity of 4.4 MB.

The data stored in the hard disk will not be lost when not given an electric voltage. In a hard drive, there is usually more than one disc to enlarge the capacity of data that can be accommodated.

In its development drive fiskiknya size becomes increasingly thin and small but has a capacity of data is very large. Harddrive while also not only be mounted inside the device (internally) but can also be mounted outside the device (external) using a USB cable or other cable support.
 

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