system technolgies

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Across
  1. 2. This device is a small handheld input device that controls a computer screen's cursor
  2. 4. A pointing device featuring a tactile sensor, a specialized surface
  3. 7. Is sensitive to pressure, a user interacts with the computer by touching pictures or words on the screen.
  4. 10. A stick that pivots on a base and reports its angle
  5. 11. A device that prints documents from a computer
  6. 12. This is an input device that allows a person to enter letters, numbers
Down
  1. 1. Stores pictures in electronic memory instead of film.
  2. 3. Receives audio input from the computer's sound card and produce audio output in the form of sound waves.
  3. 5. Can capture images from physical items and convert them into digital formats
  4. 6. The system bus inside a computer consists of set of wired paths etched onto this device
  5. 8. A device that displays electronic information in pictorial form
  6. 9. The brain of a computer