Chapter 2 - 2.1 & 2.2

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Across
  1. 4. Stationary pointing device with a rolling ball
  2. 9. Converts sound into digital data
  3. 13. Matrix barcode storing data
  4. 14. RFID tag with its own battery
  5. 15. Converts printed text to digital
  6. 17. Used for fast numeric input
  7. 20. Uses infrared to operate devices
  8. 21. Controls a pointer on the screen
  9. 23. Reads shaded marks on forms
  10. 24. RFID tag powered by reader
  11. 25. Strip storing card data
  12. 28. Converts paper to digital form
Down
  1. 1. Input by touching the display
  2. 2. Captures images electronically
  3. 3. Scans product barcodes
  4. 5. Pattern storing product data
  5. 6. Steering device for racing games
  6. 7. Direct input of data into a computer
  7. 8. Card payment without PIN
  8. 10. Uses radio waves to read tags
  9. 11. Point of sale system
  10. 12. Card system using chip and PIN
  11. 16. Reads data from cards
  12. 18. Stores data for RFID systems
  13. 19. Stick controller for games
  14. 22. Reads QR codes
  15. 26. Laptop-based pointing device
  16. 27. Used to enter text and commands