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Floppy Disks
Quick revise
A floppy disk a circular piece of plastic coated with a magnetic material and protected by a hard plastic cover.
The size of a floppy disk is measured in inches.
Modern floppy disks are 3½ inches wide.
The formatting process involves:
- Dividing the surface of the disk into invisible circles called tracks and sectors.
- Setting up a root directory where the list of files that are on the disk will be kept.
- Data on a magnetic disk is located by finding the address of its location from an index in the root directory.
- Each address in the index contains a track and sector number for an individual data segment.
