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It 240 Appendix F - Vocabulary

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Vocabulary Table

Define five of the key terms listed in the following table:

Term Definition
FAT
File Allocation Table is a type of file system architecture that was designed in the late 70’s for use on floppy disks. It quickly became the standard on HD’s for windows and DOS and stayed that way for a few decades until being replaced as the default by more modern file systems. FAT is still widely used by such things as thumb drives and camera memory and is still read-able by any operating system. A FAT system is named for how it organizes data – in a file allocation table. The table resides at the beginning of the volume, and creates a duplicate in case one is damaged. The table contains entries for each cluster on the volume, and each entry contains either the number fo the next cluster, a marker indicating the end of the file, unused disk space, or special reserved areas of the disk.

FAT32
This is a derivative of the original FAT system that allows significantly more clusters by utilizing 32-bit numbers for the cluster values. The original FAT utilized 8-bits.

NTFS
New Technology File System is a proprietary file system developed by Microsoft that was implemented with Windows NT and is still the standard today. It is a “journaling” file system (utilizes a log file to record metadata changes to the volume), which allows it to recover from disk errors more readily than it’s predecessor, FAT32.

CDFS
Published by ISO, the “Compact Disc File System” is used for storing data on CDs. It allows data on the disc to be recognized by a wide array of platforms such as linux, windows, and macintosh.

Volumes
Typically, a volume is an identifiable unit of data storage that is a physical component that can be removed.

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