networks (marwa)

12345678910
Across
  1. 1. to unscramble a word
  2. 5. the steps of a method for encrypting data
  3. 6. when people try to break into computer systems they are not supposed to acces
  4. 7. sometimes radio waves from one device can disrupt radio waves from another and cause errors in the data
  5. 8. made up of two things
  6. 10. when the voltage of the electricity supply suddenly increases
Down
  1. 2. it lets two devices swap information with each other so they can communicate
  2. 3. how many cycles there are per second
  3. 4. the whole of a wave from one top of one wave to the top of the next wave
  4. 9. a hardware device that connects a network to the internet