Description: An overview of FAT12
The File Allocation Table (FAT) is a table stored on a hard disk or floppy disk that indicates the status and location of all data clusters that are on the disk. The File Allocation Table can be considered to be the "table of contents" of a disk. If the file allocation table is damaged or lost, then a disk is unreadable.
In this document, the FAT12 file system is described. The FAT12 is the file system on a floppy disk. The number “12” is derived from the fact that the FAT consists of 12-bit entries.
The storage space on a floppy disk is divided into unitscalled sectors. In larger storage devices, a bunch of sectors form a cluster. However, for the floppy disk, the number of sectors in a cluster is one. Also, the size of a sector (and hence a cluster) is 512 bytes for a floppy disk.
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FAT12Description.pdf
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