How to maintain and use disks ?

How to maintain and use disks

There are basically three types of disks used in computers, namely:

(i) Floppy Disk,

(ii) Hard Disk,

(iii) Compact disk or CD.

Of these, the first two discs work on the principle of magnetic and the third optical technology. At present there is not much use of floppy disk. However, magnetic hard disk and optical CD or DVD are two essential means of data storage in computer systems. Disk drives are used to store and read data on these disks.

Disk Drive Maintenance: Dust or dirt can damage this drive and data can be lost if the disk enters a dusty drive. In addition, due to the formation of dust layer or oxide layer, the rotation of the drive head is hindered. For these reasons, disk drives must be cleaned regularly. Disadvantages for disks and disk drives are:

(i) High temperature

(ii) Cold flow

(iii) Electro-magnetic field

(iv) Dust

(v) Ash or fibrous matter.

 (vi) Stress

The following steps can be taken to protect disks and disk drives from various malicious controllers --

(i) The circular part of the drive should not touch the open part of the disc with the hand.

(ii) Discs should always be stored inside the jacket/packet.

(iii) The disc should not be kept in the sun.

(iv) Smoking should not be done near the disc.

(v) Discs should not be kept carelessly in the laboratory.

(vi) Disc drives should not be operated in contact with monitors, televisions, heaters, fluorescent lamps, etc.

(vii) Do not use soap or water to clean the drive head. For this, the prescribed liquid should be used.