technology

1234567891011121314151617181920
Across
  1. 2. non-precision
  2. 3. provides energy to the computer
  3. 6. it´s used for video conference
  4. 7. internal device that stores operating system
  5. 10. reproduces images and text into paper
  6. 11. only hot objects
  7. 13. tolerance of error= 5%
  8. 15. external device that tores information
  9. 17. displays images
  10. 18. big module
  11. 19. resist regulates or to set the flow of electrons
  12. 20. controls the cursor on the screen
Down
  1. 1. connect different devices
  2. 4. digitalizes images and text
  3. 5. standard unit of electrical resistance
  4. 8. are called "passive devices"
  5. 9. measures speed
  6. 12. enter text,num,symbols
  7. 14. optical media to store usually movied
  8. 16. you can listen to music privately