Removable storage devices

Removable storage, also referred to as removable media, is any device that can be attached to a system and used for storing data. Removable storage includes devices like USB Flash Drives and memory cards but also includes devices that provide the ability to store data on such media as:

  • CD
  • DVD
  • Blu-Ray
  • Floppy Disks
  • Magnetic Tape
CD/DVD/BLU-RAY

CDs and DVDs are rigid disks of optical media a little less than 5 inches in diameter made of hard plastic with a thin layer of coating. A laser beam, along with an optoelectronic sensor, is used to write to and read the data that is “burned” into the coating material (a compound that changes from reflective to nonreflective when heated by the laser). The data is encoded ...

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