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Diskettes are a low capacity, portable, storage medium for computers. They are often used for backup purposes and transporting data when network access is not available.

They come in various sizes ...

  • 3.5 inch
  • 5.25 inch
  • 8 inch
  • possibly others

Currently, most computers use 3.5 inch diskettes ... if they have diskette drives at all.

The AS/400 used to use 8 inch diskettes ... but modern computing hardware and techniques have rendered them obsolete.