3.1 Crossword

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Across
  1. 4. Physical parts of a computer.
  2. 8. The "brain" that performs calculations.
  3. 9. The software that supports the functionality of the computer and it's peripherals.
  4. 10. Provide services to other devices.
Down
  1. 1. Used to connect peripheral devices to computers.
  2. 2. Long-term storage.
  3. 3. Temporarily stores data being used.
  4. 5. Anything that connects to a computer externally.
  5. 6. A unique label of numbers for every device.
  6. 7. Connects all parts together.
  7. 11. A global network of computers connected wirelessly.