Chapter 1

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Across
  1. 1. a code for representing English characters as numbers and each letter has a number from 1 to 127
  2. 3. the number of samples recorded each second
  3. 7. a number system that uses values 0 to 9
  4. 8. smallest unit of data in a computer
  5. 9. the number of bits that are used to record each sound sample
Down
  1. 2. number of bits used to create each colour in an image
  2. 4. method that uses an algorithm to reduce the size of a file
  3. 5. a number system that uses the values 0 to 9 and characters A to F
  4. 6. a group of 8 bits
  5. 8. a number system that uses values 0 and 1