MS-DOS originally. All the subsequent Microsoft Windows products are capable of using it althoug it's only suitable for very small volumes like floppy disks and small thumb drives etc.
FAT 16 is usually found on flash drives. The FAT 16 system is designed for quick access to files in a small environment.
FAT 16, FAT 32, NTFS (for Win NT, Win 2000, Win XP, won 2003, Vista).
3x
dos and windows 3.0 up to windows 95
FAT16 (File Allocation Table 16 bit)
1 byte for 1 index item in 16-bit operating system
Windows 9x
FAT 16 file system support 2GB partion.
Because the operating system is on the iPad, and it takes some of the storage.
The 16-bit file system refers to the FAT (File Allocation Table) size. The 16-bit FAT can have up to 65,517 clusters, with a cluster size of up to 32K, giving the hard drive a 2GB size limit.The reason that 16-bit file system support is included with Windows XP and Vista is for backwards compatibility with older DOS-formatted file systems and drives.
Windows 95 & Windows 98
Windows 95, 98, 98SE, and ME (unofficially).