Who am I?

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