Understanding computers

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Across
  1. 2. Images and text can be output on this screen
  2. 6. Physical components of a computing system that you can touch
  3. 7. The programs of computing system that you cannot touch
  4. 9. Binary digits
  5. 10. Used to output sound from a system
  6. 11. A device such as a mouse or keyboard used to transfer date into a system
Down
  1. 1. Hard disk drives, USB sticks and SD cards are examples of _______ devices.
  2. 3. Switches can be either on or ______
  3. 4. Main memory is commonly known as this
  4. 5. Another word for the CPU
  5. 8. Data transmitted from a system
  6. 9. Number system used by computers which uses 0 and 1