Parts of the computer - Khadija

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Across
  1. 2. A transducer that converts sound into an electrical signal.
  2. 7. It takes pictures and can usually record video too(7,6).
  3. 10. This is a character-recognition technology used mainly by the banking industry(8,3,9,11).
  4. 16. You control it with your hand where you want it to go
  5. 17. The physical parts of a computer system.
  6. 19. An electronic device that can read and output printed barcodes to a computer(7,6).
  7. 20. The main circuit board of your computer that everything else plugs into.
Down
  1. 1. permanent storage that is used to start up your computer.
  2. 3. Is the mechanical or electronic conversion of images of typed, handwritten or printed text into machine-encoded text, (7,9,11).
  3. 4. You hold it in your hand and as you move it ,it will move which ever direction you move it in.
  4. 5. the process of capturing human-marked data from document forms such as surveys and tests(7,4,6).
  5. 6. Used by programs to preform necessary tasks whilst the computer is on.
  6. 8. A device that can be used to digitise images. They're similar to a photocopier but they make a digital copy instead of a physical copy.
  7. 9. the part of the computer that executes commands.
  8. 11. You control it with your finger or palm and you move it were you want to click a tab or a app (7,4,5).
  9. 12. You hold it in your hand and when you want it to do something you click on the button or analogue stick.
  10. 13. It is an input and output device normally layered on the top of an electronic visual display of an information processing system(5,6).
  11. 14. A concept keyboard is a flat board which contains a grid of switches. Each switch can be programmed to do whatever you want.(7,3,5).
  12. 15. A computer that controls access to a network.
  13. 18. A webcam is a video camera that feeds or streams its image in real time to or through a computer to a computer network(3,3).