It is sealed simply to protect it.
Hard disk
Its called your hard drive.
The hard disk enclosure is sealed with a filter so that the disk can operate without impurities getting in the way. A single particle of smoke is several times larger than the distance between a disk and the read/write head. Anything that is even that small and certainly anything larger like a dust particle, would cause problems and probably disk failure.
A computer hard disk or hard drive (fixed disk) is hardware.
Hard Disk Drive.
IDE hard disk, SCSI hard disk, SATA hard disk, External hard disk, it is also differ by RPM speed for the HADD. I hope that helpes.
There are two types of Hard disk. 1:Sea gate disk 2:SATA Hard disk
The history of hard disk is that, hard disk is invented in 1950's that time hard disk size is 20 inche's maximum the name of hard disk inventer is "REY JOHNSON" by the help of IBM team. ""BILAWAL ABBAS""
IDE hard disk, SCSI hard disk, SATA hard disk, External hard disk, it is also differ by RPM speed for the HADD. I hope that helpes.
1. IDE Hard Disk 2. SATA Hard Disk 3. SCSI Hard Disk 4. Ultra SCSI Hard Disk
who invented hard disk?
It is also known as Hard Drive, Disk Drive, Or Hard Disk Drive.