Large computers

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Across
  1. 3. information processed or stored by a computer
  2. 5. a collection of stored digital data
  3. 6. a small chip that acts as the brain of a computer
  4. 12. how fast a computer can process data
  5. 13. the component that carries out instructions
  6. 14. an organized collection of digital information
  7. 17. a mathematical operation done by a computer
  8. 18. a person who uses a computer system
  9. 19. a very powerful computer used for complex calculations
  10. 21. Computer a computer designed for individual use
  11. 22. a medium-sized computer used before PCs
Down
  1. 1. the physical parts of a computer
  2. 2. a large computer that supports many users at the same time
  3. 4. a group of connected computers that share resources
  4. 7. systematic study to discover new information
  5. 8. what a computer is able to do
  6. 9. a computer that provides services or data to other computers
  7. 10. programs and instructions used by a computer
  8. 11. the prediction of future conditions using data
  9. 15. a small electronic circuit inside electronic devices
  10. 16. an electronic device that processes data using instructions
  11. 20. a unit that measures computer processing speed