Operating System

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Across
  1. 5. Handles both hardware and software interrupts.
  2. 7. A program used to let the operating system communicate with peripherals.
  3. 8. A program which provides security against viruses and malware.
  4. 9. Performed regularly to ensure the device is up to date.
Down
  1. 1. A low level software that handles the computer's basic functions.
  2. 2. In an operating system, this allows the user to perform more than one task at once.
  3. 3. A part of the operating system that allows users to enter and receive information.
  4. 4. A means of security which checks all network traffic coming in and out.
  5. 6. A device used to input/output information.