Who am I?

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Across
  1. 2. To listen music
  2. 4. To record sounds
  3. 8. Brain of the Computer
  4. 9. Used for security purpose
  5. 10. To scan pictures
  6. 11. To type text
Down
  1. 1. Used in super market
  2. 3. To play games
  3. 4. A pointing Device
  4. 5. To take printout
  5. 6. To view large size videos
  6. 7. To create Digital Drawings