computing

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Across
  1. 3. Deletes unused files and free up space.
  2. 4. Restricts the incoming and outgoing access to a network by analysing the data and determining whether it should be allowed through or not, based on a predetermined set of rules.
  3. 5. Fixes known bugs and security risks.
  4. 7. A software that communicates with the hardware and allows other programs to run.
  5. 8. A user interface that includes graphical elements
  6. 9. A software that assists in moving files from one computer system to another.
Down
  1. 1. Stops people from being able to illegally monitor other peoples’ use of their computer, including the keys the user types in, which could disclose personal banking details and passwords.
  2. 2. perform a limited function to help the computer system run smoothly and securely
  3. 6. Used to prepare a storage device so that it is ready to be used for the first time.
  4. 10. A software that searches for, detects and destroys viruses which could damage or corrupt the computer system.