file allocation table

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Noun1.file allocation table - the part of a floppy disk or hard disk where information is stored about the location of each piece of information on the disk (and about the location of unusable areas of the disk)
table, tabular array - a set of data arranged in rows and columns; "see table 1"
References in periodicals archive ?
Introduced in 2006, the Microsoft exFAT file system is an enhanced alternative to the File Allocation Table (FAT) file system and New Technology File System (NTFS).
As you can see, overall the speeds are much slower, in part because Windows-like any operating system-not only has to copy over the data, but has to write the location of the data to its file allocation table (NTFS for the hard drives; FAT32 for the USB drive).
To this end, Microsoft recently rolled out "exFat" technology, short for Extended File Allocation Table, that enables flash memory cards, smartphones and cameras to handle orders of magnitude more memory than previous file systems.
After examining PC-based and server-based partitions, the author describes file allocation table (FAT), NTFS, and Unix file systems, and illustrates the manual analysis of example disk images.
The structure of the disk tracking system is contained in the File Allocation Table which keeps data sectors allocated in groups called clusters.