computer crossword

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Across
  1. 5. A device used to store frequently accessed data
  2. 6. Also known as the mainboard
  3. 10. The flow of electrical current that operates in two directions at any given time.
  4. 12. The measurement of the electric current’s force or pressure.
  5. 13. An electrical measurement of power.
  6. 14. A socket found on the motherboard where an expansion card can be inserted.
Down
  1. 1. A type of scanning device that can read barcodes and convert them into digital data.
  2. 2. The flow of an electrical current that operates in one direction.
  3. 3. The physical components that a computer system requires to function.
  4. 4. Port The physical connection on a computer that is designed to plug into input/outputdevices.
  5. 7. A base-2 number system composed of both ones and zeros.
  6. 8. The potential difference of an electric current between two points.
  7. 9. an external device that is used to send data and to provide an input/output interface for a computer.
  8. 11. Software that supports a computer’s basic functions.