input outoput device

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Across
  1. 3. – An output device that produces text or images on paper.
  2. 7. – A pointing input device that uses a rolling ball to control the cursor.
  3. 10. – A component in older monitors that emits electrons to create images on the screen.
  4. 12. – A device that reads shaded or marked answers on multiple-choice answer sheets.
  5. 13. – A display or lighting technology that uses light-emitting diodes for bright and energy-efficient screens.
  6. 15. – An input device that converts physical documents into digital form.
Down
  1. 1. – A type of printer that sprays tiny droplets of ink onto paper to create images or text.
  2. 2. Scanner – A device or app used to read square-shaped barcodes containing digital information.
  3. 4. – A technology that uses radio waves to identify and track objects using tags.
  4. 5. – A writing tool often used with plotters to draw lines or labels on paper.
  5. 6. Matrix – A type of printer that prints characters using a pattern of small dots.
  6. 8. – A flat-panel display technology that uses liquid crystals to show images.
  7. 9. – A component that detects changes in the environment such as light, temperature, or motion.
  8. 11. – A technology that converts printed or handwritten text into editable digital text.
  9. 14. Plotter – An output device that draws large-scale graphics and diagrams using pens.