Computer science

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Across
  1. 3. accessing memory
  2. 4. of electronic equipment
  3. 8. disk drive
  4. 11. of frequency
  5. 12. program that makes a copy of your files and folders or your complete system,
  6. 13. 1billion bytes
  7. 15. of the unit byte for digital information
  8. 17. Software
  9. 19. System
  10. 20. digital logic gate
  11. 21. to provide a platform for other software and manage hardware components and resources
Down
  1. 1. type with two possible values: true or false
  2. 2. that makes your computer work.
  3. 4. several functions
  4. 5. board inside general-purpose computing systems
  5. 6. components that make up a computer
  6. 7. scan a computer system to prevent, detect and remove malware.
  7. 9. "true" if any of its inputs is "true"; otherwise it outputs "false".
  8. 10. given by hardware
  9. 12. processing unit
  10. 14. one input to generate one output
  11. 16. reduces size of files
  12. 18. circuit