Concept:FAT is an acronym used for a file system structure that helps the operating system manage and locate files on a storage device.
Explanation:FAT stands for
File Allocation Table.
It is the correct expansion among the given options.
This table is maintained by the operating system on a hard drive.
It shows a map of the clusters, which are the basic units of logical storage on a hard disk, where each file is stored.
Every cluster has an entry in this table.
FAT was originally created in 1977 for use with floppy discs.
Later, it was modified to work with hard discs and other storage hardware.
The file allocation table is located in disk sector 0, which is the very first sector on a disc.
FAT32 is a common version that uses 32-bit data blocks for storage.
Although NTFS is more efficient than FAT32, FAT remains widely supported by most operating systems.
Answer:D. File Allocation Table