Technology compound nouns

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Across
  1. 2. A type of memory card.
  2. 5. You move the computer mouse on this.
  3. 7. This is a program the searches for items in a database.
Down
  1. 1. This is used to acces or view websites.
  2. 3. Is a device primarily responsible for receiving or transmitting electromagnetic waves.
  3. 4. This gives you wi-fi signal.
  4. 6. The study or use of systems for storing, retrieving, and sending information.