Computers

12345678910111213141516171819202122
Across
  1. 3. an output device that prints data onto paper
  2. 6. a virus that collects information about the computer user
  3. 8. displays data as an image
  4. 9. an input device that allows the user to move a cursor on a screen
  5. 10. an electronic circuit board that connects hardware devices
  6. 12. organises stored file fragments for easier retrieval
  7. 14. a harmful file that is made to cause harm to a computer
  8. 16. reducing the size of a file through algorithms
  9. 17. an example of an operating system
  10. 18. a storage device that uses magnetism for future data retrieval
  11. 20. a harmful file that replicates itself on a computer
  12. 22. to prevent, detect and remove malware
Down
  1. 1. allows the user to input data into a computer
  2. 2. an operating system with special features and abilities, sharing information across many devices
  3. 4. an operating system for something that isn't a computer
  4. 5. memory or storage for quick access
  5. 7. a type of virus that disguises itself as a safe file
  6. 11. a program that controls what happens with a computer
  7. 13. an operating system that runs on a computer or mobile device
  8. 15. a program on a computer for a specific purpose
  9. 19. operating system decides which tasks take priority
  10. 21. the component that carries out the instructions of a program