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  1. 6. a panel of keys that operate a computer or typewriter
  2. 7. controller a device used with games or entertainment system
  3. 8. a hand-operated electronic device that controls the cursor on the screen
  4. 11. a laser printer is a common type of computer printer that rapidly produces high quality text and graphics on plain paper
  5. 13. a device that can be used to insert data into a computer
  6. 14. an object used to project rays of light
  7. 15. a machine for printing text or pictures onto a paper
  8. 16. a small plastic disc on which digital information is stored
  9. 17. a computer hardware that transforms output into input
  10. 18. it transfers the data out of the computer
  1. 1. a device that blasts out sound
  2. 2. a piece of computer on which information can be stored
  3. 3. a high-capacity, self-contained storage device containing a read-write mechanism plus one or more hard disks
  4. 4. a device for photographing visual images
  5. 5. a device for examining,reading and monitoring something
  6. 8. a device that displays signals on a computer screen
  7. 9. a small, flat flash drive used in digital cameras and cell phones
  8. 10. an instrument for converting sound waves
  9. 12. a device which accesses short term memory on a computer
  10. 17. a planner who draws up a personal scheme of action