NETWORKING

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Across
  1. 2. a thing made or adapted for a particular purpose, especially a piece of mechanical or electronic equipment
  2. 4. to socialize for professional or personal gain
  3. 6. information in visible forms
  4. 7. (of a device) able to be attached to and used with a computer, though not an integral part of it.
Down
  1. 1. communicating without material contact
  2. 3. the intermediate photograph that contains information for reproducing a three-dimensional image by holography
  3. 5. as in central processing unit