Ch. 1-3 Review - Computer

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Across
  1. 3. a programmable electronic device
  2. 8. used to scan pictures and documents
  3. 11. a portable computer
  4. 13. a mobile phone that performs functions like a computer
  5. 14. this code is similar to barcode and is scanned by a phone's camera
  6. 16. Very fast memory
  7. 17. the physical parts of the computer
  8. 18. the point of ________ system is used in stores toucan and cash out items
  9. 19. the most common input device
  10. 20. the number of bits a computer process at one time
Down
  1. 1. ______ devices are used to put data into the computer
  2. 2. a set of vertical lines of varying thickness
  3. 4. data that is processed is called______
  4. 5. it contains millions of transistors and capactitors
  5. 6. this type of stripe is found on a ticket or card and holds information
  6. 7. a set of instructions or programs a computer uses
  7. 9. uses magnetic ink recognition to read them in machines
  8. 10. holds data and instructions necessary to start up the computer
  9. 12. an example of a pointing device
  10. 15. raw facts a computer processes