Computer fundamentals

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Across
  1. 2. Output that is temporary and disappears when the computer is switched off
  2. 5. Output that is permanent and is usually printed
  3. 7. Used mainly in the banking industry to read data on cheques
  4. 9. A small computer that has little processing power
  5. 12. internal hardware devices that make up a computer
  6. 14. Sometimes referred to as the ‘brain’ of the computer
  7. 18. Hardware devices that are not essential to a computer’s function
  8. 20. The part that holds data and instructions
  9. 22. Used for assessing multiple-choice examinations
  10. 23. printer that produces output by spraying ink
  11. 24. printer that has metal hammers strikes an inked ribbon
  12. 26. parts of a computer system that you can see and touch
  13. 28. laser beams to translate drawings to a photo
  14. 30. output device designed to print houseplans
Down
  1. 1. A type of online storage
  2. 2. Documents on which data is first recorded
  3. 3. A portable version of a personal computer
  4. 4. Very large powerful computers
  5. 6. Holds data that is waiting to be output
  6. 8. identifies a person based on an body characteristics
  7. 10. Device that stores data to be used later
  8. 11. A chip that is non-volatile (3)
  9. 13. Made up of columns and Printed on items
  10. 15. Sometimes referred to as the ‘brain’ of the computer
  11. 16. The smallest unit of storage
  12. 17. Memory that consists of RAM and ROM (7)
  13. 19. media used to keep data or later
  14. 21. The smallest unit on the screen
  15. 25. A printer that is used to print receipts
  16. 27. the raw facts and figures
  17. 29. instructions that a computer needs to carry out its tasks