November revision

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Across
  1. 4. The smallest element of an image
  2. 5. Data type that stores a singe digit or letter
  3. 12. Uses up to 32 bits and can provide over 4 billion possible character codes
  4. 14. The base-16 numbering system
  5. 16. Represents 128 keyboard keys
  6. 17. 1024 bytes
  7. 18. When a number becomes too large to fit into the number of bits allocated to it
Down
  1. 1. Convert sound waves to this by sampling the sound at set intervals and recording the values
  2. 2. The number of bits used for each pixel is the colour _________
  3. 3. 10100
  4. 6. The number of pixels or dots per unit
  5. 7. Information about the image-data eg height, width
  6. 8. A system of numbers using only two digits
  7. 9. A system of numbers using ten digits
  8. 10. Continuosly changing data when representing sound
  9. 11. Repeat until a condition is met
  10. 13. Will store decimal (or fractional) values such as prices
  11. 15. Half a byte