The File Allocation Table (FAT) partition boot sector includes information shown

Question

The File Allocation Table (FAT) partition boot sector includes information shown in Table 1. The boot sector contains information on how to use the FAT partition. Note that FAT entries are stored as little endian. Information from the FAT partition boot sector stored at sector 2048 on an SD card has been extracted to give the following results: Extract boot sector information... -> bytesPerSector = 512 -> SectorsPerCluster = 8 reservedSectors = 694 numFAT = 2 totalSectors16 = 0 totalSectors32 = 3846144 sectorsPer FAT = 3749 startRootCluster = 2 infoSector = 1 signatureCheck16 = 0xaa55 The meaning of entries in the FAT for FAT32 is given in Table 2. The FAT provides information on clusters that store information. The following questions relate to the information provided above......... a) What is the minimum size, in bytes, that can be allocated to a file? b)The number of file allocation tables is two. What would be a reason for having more than one? c) What is the sector number of the file allocation table?

Explanation / Answer

The minimum size allocated to a file in bytes = 8 * 512 =    4096
There are two entries. This is required for data security and recovery purposes
The sector number of FAT1 is 1-9 and second FAT2 is 10-18

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