25 July 2017

Hard Disk



- Track (https://en.wikipedia.org/wiki/Disk_sector#/media/File:Disk-structure2.svg)
- sector (fix size for each harddisk(set during formatting))
- - Geometrical sector
- - track sector
- cluster contain multiple sector
- block - unit of data(eg: berapa byk bit dd nak baca utk sekali baca/tulis )


MBR
- first sector
- contains
- - partitions info
- - bootstrap code
- VBR (~MBR, tapi di setiap partition)

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