Computer stuff

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Across
  1. 4. practice of protecting information by mitigating information risks
  2. 5. it’s a call centre type customer service provided by companies to advise and assist registered users with issues concerning their technical products.
  3. 6. a set of instructions or programs that tells a computer what to do or how to perform a specific task (computer software runs on hardware).
Down
  1. 1. it's the collection and manipulation of digital data to produce meaningful information.
  2. 2. connected to, served by, or available through a system and especially a computer or telecommunications system (such as the Internet)
  3. 3. any physical device or equipment used in or with a computer system