The Memorex disk was " hard-sectored ", that is, it contained 8 sector holes ( plus one index hole ) at the outer diameter ( outside data track 00 ) to synchronize the beginning of each data sector and the beginning of a track.
12.
Early 8 inch and 5? inch disks had physical holes for each sector and were termed " sectored " disks had only one index hole, and sector position was determined by the disk controller or low level software from patterns marking the start of a sector.
13.
These early drives read only one side of the disk, leading to the popular budget approach of cutting a second write-enable slot and index hole into the carrier envelope and flipping it over ( thus, the flippy disk ) to use the other side for additional storage.
14.
Another LED / photo-transistor pair located near the center of the disk detects the " index hole " once per rotation in the magnetic disk; it is used to detect the angular start of each track and whether or not the disk is rotating at the correct speed.
How to say index hole in Hindi and what is the meaning of index hole in Hindi? index hole Hindi meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.
