Storage devises

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Storage devises

  1. 1. STORAGE DEVICES By, MARIE AMIRTHARAJ. F.
  2. 2. Internals of a typical USB flash drive 1 USB connector 2 USB mass storage controller device 3 Test points 4 Flash memory chip 5 Crystal oscillator 6 LED 7 Write-protect switch (Optional) 8 Space for second flash memory chip
  3. 3. 8-inch, 5¼-inch, and 3½-inch floppy disks
  4. 4. Diagram of CD layers. A. A polycarbonate disc layer has the data encoded by using bumps. B. A reflective layer reflects the laser back. C. A lacquer layer is used to prevent oxidation D. Artwork is screen printed on the top of the disc. E. A laser beam reads the polycarbonate disc, is reflected back, and read by the player.

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