ITN 276 Final questions with correct answers
various file systems and their characteristics Answer NTFS, a Preferred file system for Windows (2000 and newer); Contains MFT and Bitmap. FAT, limited space, FAT32 can allow file up to 4GB, usually in USB flash drive creating and deleting files in various file systems Answer FAT: when a file is deleted it isn't removed from the drive. The FAT is just updated to reflect that those clusters are no longer in use. if new info is saved it can now overwrite info in these clusters NTFS: like FAT but clusters are first marked as deleted, thus "moved" to the Recycle bin. filename is marked with a special character in MFT to indicate the file is deleted to the computer. file's physical Answer -The physical size of a file, is dictated by the minimum number of whole clusters a file needs. e.g If 6 KB file that takes up 1.5 clusters (one cluster = 4kb in this case), it needs 2 clusters for its physical size, and two clusters are 8 KB, therefore the physical size is 8 KB logical size Answer The logical size is how big the file actually is, in this case 6 kb, the actual size of the file. fragmented file Answer These files become "fragmented" meaning they consist of fragments of data. swamp file Answer used to augment the RAM. File Allocation Table (FAT) Answer FAT is a list of entries that map to each cluster on the disk partition.
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