Computer Science

Inside the machine

and the magnetic read/write heads sealed inside a container that ensures a

dust-free environment for the disk. Unlike some other types of hard disk

units,

however, the Winchester is permanently sealed - the disk is not

removable, and the sealing will be disturbed only if repairs are needed - and

that will require an air-conditioned workshop. This sealing into a clean dust-

free space allows the gap between the head and the disk to be made much

smaller than could be contemplated for a floppy disk, smaller than a grain of

dust or a particle of

smoke.

Technical leaflets refer to the head as 'flying' and

this is not advertiser ...