Technology

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Across
  1. 2. an act of transferring something such files from a usually large computer to the memory of another device
  2. 5. a technique such as the combining of sound, video, and text for expressing ideas
  3. 6. not physically existing as such but made by software to appear to do so
  4. 8. the state of being protected against the criminal or unauthorized use of electronic data
Down
  1. 1. a device for introducing fresh air or expelling foul or stagnant air
  2. 3. a thing made for a particular purpose
  3. 4. operating by means of transmitted electromagnetic waves
  4. 7. an area or window on a computer screen