Basic computer terms

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Across
  1. 3. A disk image that offers a user basic computer functionality
  2. 4. The change in electrical potential between two points in a circuit
  3. 6. A version or flavor of a Linux operating system
  4. 7. The amount of energy in the flow of electricity
  5. 9. A number system built from just two digits, ones and zeros
  6. 10. A standard type of serial port (universal)
  7. 11. The bare metal components of a computer
  8. 12. A two-directional sinusoidal wave pattern of electrical activity on a wire used to transport electricity
Down
  1. 1. The unit of measurement used to specify electricity flow
  2. 2. A gadget that measures the physical attribute of a person used as an identifier or validator
  3. 5. A one-directional flow of electrical current on a wire used to transport electricity
  4. 8. A device that allows a computer to access a wireless network