Techcross 3

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Across
  1. 6. An automobile company producing cars using laws and principles of a famous scientist
  2. 7. Open source free encyclopedia
  3. 8. A box like device which is used to send WiFi signals
  4. 9. Most common input device used in a computer system
  5. 10. Unit of digital image length
  6. 13. World's richest man
Down
  1. 1. An operating system primarily developed for touchscreen devices
  2. 2. A skilled programmer who exploits security system to enter into a computer system
  3. 3. Parent company of Windows
  4. 4. Number system used by all computer and computer based devices
  5. 5. A personal computer for mobile use
  6. 11. American computer hardware company
  7. 12. .txt is extension of ____