Twenty letter crossword

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Across
  1. 2. Number identified in a network
  2. 4. Malicious software
  3. 7. It is represented by a set of keys
  4. 10. A virtual private network
  5. 11. Main computer data output device
  6. 14. IP datagram transmission standard for serial lines
  7. 15. Logical steps written in a programming language
  8. 17. Data to be processed by a Informatic team
  9. 18. Text developed in a programming language
  10. 19. Central unit of process
Down
  1. 1. Transform the code so that it is readable on a machine
  2. 3. Slot expansion
  3. 4. Brain of a Computer
  4. 5. Main memory of a device, where data is temporarily stored
  5. 6. Digital camera of a computer
  6. 8. Code error in a computer program
  7. 9. Online hosting service
  8. 12. Set of equipment connected to each other
  9. 13. Barrier between a secure internal network and an untrusted network
  10. 16. Pointing device on computer
  11. 18. Store data over the internet