key terms

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Across
  1. 2. A device that converts electric current and supplies power to an electrical load.
  2. 5. A type of scanning device that can read barcodes
  3. 7. An electrical measurement of power
  4. 9. The measurement of the electric current’s
  5. 10. A computer program or device that provides a service to another computer program and its use.
  6. 11. Commonly found as a standalone desktop camera and built into most laptops
  7. 12. The potential difference of an electric current between two points.
Down
  1. 1. The physical components that a computer system requires to function
  2. 3. An external device that is used to send data and to provide an input/output
  3. 4. A socket found on the motherboard where an expansion card can be inserted.
  4. 6. The flow of electrical current that operates in two directions at any given time.
  5. 8. A device used to store frequently accessed data