rookie1010
Fully Optimized
- Messages
- 2,069
Hi
I was going through the basics of hard disks and i came across data encoding
it says that a pulse has detected by the orientation N-S followed by S-N
whereas the absence of a pulse is detected by the orientation N-S followed by N-S,
i was under the impression that the absence of a pulse would be read by no orientation.
i further read that RLL and MFM have 00 coded as pulse-absence-absence-absence followed by 4 blanks
and MFM by
pulse-absence-pulse-absence followed by four blanks.
i guess they must have some sort of mapping, right?
I was going through the basics of hard disks and i came across data encoding
it says that a pulse has detected by the orientation N-S followed by S-N
whereas the absence of a pulse is detected by the orientation N-S followed by N-S,
i was under the impression that the absence of a pulse would be read by no orientation.
i further read that RLL and MFM have 00 coded as pulse-absence-absence-absence followed by 4 blanks
and MFM by
pulse-absence-pulse-absence followed by four blanks.
i guess they must have some sort of mapping, right?